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September 8, 2008 is the official date of a new doctrinal document prepared by the Congregation for the Doctrine of the Faith (CDF) and approved by Pope Benedict XVI on bioethical issues. It is a sequel to the CDF’s February 1987 doctrinal Instruction on Respect for Human Life in Its Origins and on the Dignity of Procreation (Latin title Donum vitae). Dignitas Personae (henceforth DP), formally released for publication on December 12, 2008, is of a doctrinal nature and falls within the category of documents that "participate in the ordinary Magisterium of the successor of Peter" (see Instruction Donum veritatis, no.18), and is to be received by Catholics "with the religious assent of their spirit" (DP, no. 37).
Contents
Dignitas Personae contains 36 numbered sections divided into
Introduction (nos. 1-3); First Part: Anthropological, Theological, and
Ethical Aspects of Human Life and Procreation (nos. 4-10); Second Part:
New Problems Concerning Procreation (nos. 11-23); Third Part: New
Treatments which Involve the Manipulation of the Embryo or the Human
Genetic Patrimony (nos. 23-35); Conclusion (no. 36). The Second Part,
after introductory number 11, is subdivided into Techniques for
Assisting Infertility (nos. 12-16); Intracytoplasmic sperm injection
(ICSI) (no. 17); Freezing embryos (nos. 18-19); The freezing of oocytes
(no. 20); The reduction of embryos (no. 21); Preimplantation diagnosis
(no. 22): New forms of interception and contragestation (no. 23). The
Third Part, after introductory number 24, contains Gene therapy (nos.
24-27); Human Cloning (nos. 28-30); The therapeutic use of stem cells
(nos. 31-32); Attempts at hybridization (nos. 33); The use of human
“biological material” of illicit origin (nos. 34-35).
Purpose
The Introduction clearly expresses the document’s purpose. A major
purpose is to bring Donum vitae (1987) up to date by taking into
account and evaluating new biomedical technologies that have raised new
problems in the critical area of human life and the family and to
examine “some issues that were treated earlier, but are in need of
additional clarification” (no. 1). A subsidiary purpose is to show how
Catholic teaching, based on both reason and faith, seeks to present an
integral vision of man and his vocation and to offer encouragement and
support for a culture that considers science an invaluable service to
the integral good of the life and dignity of every human being (no. 3).
Teaching
1.The First Part sets forth (nos. 4-6) two fundamental principles
governing the bioethical issues with which DP is concerned. The basic
criterion is this: "The human being is to be respected and treated as a
person from the moment of conception; and therefore from that same
moment his rights as a person must be recognized, among which in the
first place is the inviolable right of every innocent human being to
life" (no. 4, citing Donum vitae, 1,1). The second fundamental
principle declares: "The origin of human life has its authentic context
in marriage and in the family, where it is generated through an act
which expresses the reciprocal love between a man and a woman.
Procreation which is truly responsible vis-à-vis the child to be born
must be the ‘fruit of marriage’" (no. 6; the internal citation is from
Donum vitae, II, A, 1).
Although Donum vitae did not define the embryo as a person, it
nonetheless indicated, DP declares, “an intrinsic connection between
the ontological dimension and the specific value of every human life.”
Thus it holds that ”the reality of the human being for the entire span
of life, both before and after birth, does not allow us to posit either
a change in nature or a gradation in moral value, since it possesses
full anthropological and ethical status. The human embryo has,
therefore, from the very beginning, the dignity proper to a person”
(no. 5).
The natural law known through human reason is “the source that inspires
the relationship between the spouses in their responsibility for
begetting new children” (no. 6), but it is “only in the mystery of the
Word Incarnate [that] the mystery of man truly become clear” (no. 7).
This enables us (no. 8) to understand that there can be no
contradiction between affirming the dignity of human life and affirming
its sacredness: “These two dimensions of life, the natural and the
supernatural, allow us to understand better the sense in which the acts
that permit a new human being to come into existence, in which a man
and a woman give themselves to each other, are a reflection of
Trinitarian love” (no. 9).
Finally, the First Part emphasizes that in expressing ethical judgments
on new developments in medical research “The Church…does not intervene
in the area proper to medical science itself, but rather calls everyone
to ethical and social responsibility for their actions,” reminding all
that “the ethical value of biomedical science is gauged in reference to
both the unconditional respect owed to every human being at every
moment of his or her existence, and the defense of the specific
character of the personal act which transmits life.” (no. 9).
2.The Second Part, after a brief introductory number (no. 11), first
takes up Techniques for Assisting Infertility. No. 12 identifies 3
fundamental goods that must be respected in treating infertility: “a)
the right to life and to physical integrity of every human being from
conception to natural death; b) the unity of marriage, which means
reciprocal respect for the right within marriage to become a father or
mother only together with the other spouse; c) the specifically human
values of sexuality which require ‘that the procreation of a human
person be brought about as the fruit of the conjugal act specific to
the love between spouses’" (internal citation from Donum vitae, II, B,
4). No. 13 recapitulates the teaching of Donum vitae by declaring: “all
techniques of heterologous artificial fertilization, as well as those
techniques of homologous artificial fertilization which substitute for
the conjugal act, are to be excluded. On the other hand, techniques
which act as an aid to the conjugal act and its fertility are
permitted.” No. 13 approves techniques aimed at removing obstacles to
natural fertilization, such as hormonal treatments, surgery to unblock
fallopian tubes, etc., and encourages adoption and research to prevent
infertility. Nos. 14 and 15 focus on in vitro fertilization and the
deliberate destruction of human embryos. Donum vitae had taken these
acts up and condemned them, and, as DP points out, “subsequent
experience has shown…that all techniques of in vitro fertilization
proceed as if the human embryo were simply a mass of cells to be used,
selected and discarded” (no. 14). No. 16 sums up Church’s teaching:
“The Church…holds that it is ethically unacceptable to dissociate
procreation from the integrally personal context of the conjugal act:
human procreation is a personal act of a husband and wife, which is not
capable of substitution. The blithe acceptance of the enormous number
of abortions involved in the process of in vitro fertilization vividly
illustrates how the replacement of the conjugal act by a technical
procedure — in addition to being in contradiction with the respect that
is due to procreation as something that cannot be reduced to mere
reproduction - leads to a weakening of the respect owed to every human
being.” While the desire for a child is legitimate, this desire “cannot
justify the ‘production’ of offspring, just as the desire not to have a
child cannot justify the abandonment or destruction of a child once he
or she has been conceived. In reality, it seems that some researchers,
lacking any ethical point of reference and aware of the possibilities
inherent in technological progress, surrender to the logic of purely
subjective desires.” Confronted with this reality, “‘The Magisterium of
the Church has constantly proclaimed the sacred and inviolable
character of every human life from its conception until its natural
end’” (the internal citation is from Benedict XVI, Address to the
General Assembly of the Pontifical Academy for Life and International
Congress on "The Human Embryo in the Pre-implantation Phase," 27
February 2006).”
No. 17 is devoted to Intracytoplasmic sperm injection (ICSI), a more
recently developed method of artificial fertilization. This procedure,
as footnote 32 explains, “is similar in almost every respect to other
forms of in vitro fertilization with the difference that in [it]
fertilization in the test tube does not take place on its own, but
rather by means of the injection into the oocyte of a single sperm,
selected earlier, or by the injection of immature germ cells taken from
the man.” Like in vitro fertilization, it is intrinsically evil because
it causes “a complete separation between procreation and the conjugal
act.”
Nos. 18 and 19 deal with the issues involved in Freezing embryos. No.
18 describes the procedure and the problems it raises. It is used to
avoid repeatedly removing the woman’s oocytes from her body by
hyperfertilizing the woman and simultaneously extracting many oocytes,
fertilizing them and cryopreserving the human embryos so produced and
storing them for “retrieval” later if someone wishes to use them (the
late Jerome Lejeune rightly described the procedure as putting
embryonic human persons into “concentration cans”). DP teaches judges
cryopreservation “incompatible with the respect owed to human embryos,”
exposing them to the serious risk of death or physical harm, depriving
them at least temporarily of maternal reception and gestation, and
placing them in a situation in which they are susceptible to further
offense and manipulation. Moreover, No. 18 continues, “The majority of
embryos that are not used remain ‘orphans.’ Their parents do not ask
for them and at times all trace of the parents is lost.”This raises the
question, “what to do with the large number of frozen and abandoned
embryos?”
No. 19 takes up this issue, definitively repudiating as intrinsically
immoral proposals to use these embryos for research or for the
treatment of disease. Such proposals “are obviously unacceptable
because they treat the embryos as mere ‘biological material’ and result
in their destruction.” Similarly the proposal that these embryos “could
be put at the disposal of infertile couples as a treatment for
infertility is not ethically acceptable for the same reasons which make
artificial heterologous procreation illicit as well as any form of
surrogate motherhood; this practice would also lead to other problems
of a medical, psychological and legal nature.”
No. 19 then devotes two brief sentences to an issue on which Catholic
theologians loyal to the Magisterium have been divided. It describes
the issue as follows: “It has also been proposed, solely in order to
allow human beings to be born who are otherwise condemned to
destruction, that there could be a form of ‘prenatal adoption.’” The
following sentence reads as follows: “This proposal, praiseworthy with
regard to the intention of respecting and defending human life,
presents however various problems not dissimilar to those mentioned
above.”
Does this passage definitively reject the proposal concerning the
“prenatal adoption” of frozen and orphaned embryos? There is a dispute
among those who have read the document on this issue. Some scholars
think that the CDF has definitely concluded that adopting frozen
embryos prenatally is not morally licit. But others, and I am among
them, think that a close reading of this sentence and the context in
which it appears makes it clear that it was not the intention of the
CDF to make a definitive judgment on this disputed question but that it
left the issue open to further debate by Catholic theologians. The
“various problems not dissimilar to those mentioned above” in this
sentence refers to “other problems of a medical, psychological, and
legal nature” (emphasis added) noted in the paragraph rejecting using
these embryos as a treatment for fertility, not to any moral problem.
Frequently, when people engage in intrinsically immoral acts, various
medical, psychological, and/or legal factors that are not in themselves
moral determinants add to the immorality of their immoral acts, while
very similar factors, prudently dealt with, do not cause people’s
morally acceptable acts to become immoral. Therefore, DP’s statement
that embryo adoption presents problems not dissimilar to those involved
in the immoral practice treated in the preceding paragraph is
reasonably interpreted as warning those engaging in embryo adoption to
attend to all relevant medical, psychological, and legal problems and
to exercise prudence in dealing with them.
That paragraph of No. 19 also rejected any form of surrogate
motherhood, which it defines, referring to the definition found in
Donum vitae II, A, 3 (see footnote 38), a definition that supporters of
embryo prenatal adoption completely accept (on this see the essays by
Germain Grisez, William E. May, Christian Brugger and others in Human
Embryo Adoption: Biotechnology, Marriage, and The Right to Life, eds.
Thomas V. Berg, L.C. and Edward J. Furton. Philadelphia and Thornton,
NY: National Catholic Bioethics Center and The Westchester Institute
for Ethics & the Human Person, 2006).
The final paragraph of No. 19 declares: “All things considered, it
needs to be recognized that the thousands of abandoned embryos
represent a situation of injustice which in fact cannot be resolved.”
This is definitely true. Someone, however, might argue that this
sentence implies that embryo adoption is morally wrong and for that
reason its practice cannot resolve the injustice that has been done to
abandoned embryos. That argument would be fallacious. Even if the
practice of embryo adoption were so widely accepted by upright people
that no abandoned embryo was left to die, all of those embryos would
have suffered an injustice not rectified by the upright people who came
to their rescue, just as injustices to other victims of wrongdoing are
not rectified by the efforts of upright third parties to prevent or
mitigate the injuries done by wrongdoers.
No. 20 considers The freezing of oocytes and declares:
“cryopreservation of oocytes for the purpose of being used in
artificial procreation is to be considered morally unacceptable.” No.
21 takes up The reduction of embryos, a procedure in which embryos or
fetuses in the womb are directly exterminated and judges this “an
intentional selective abortion” and always constituting “a grave moral
disorder.” Appealing to the good that could be achieved by doing so is
of no avail insofar as “It is never permitted to do something which is
intrinsically illicit, not even in view of a good result: the end does
not justify the means.” Preimplantation diagnosis is the subject of
no.21. It is done to make sure “that only embryos free from defects or
having the desired sex or other particular qualities are transferred.”
It is directed to the destruction of human embryos judged defective or
undesirable for other reasons, treats the human embryo as mere
biological material and is a terrible affront to human dignity. No. 23
(the final number of the Second Part) focuses on New forms of
interception and contragestation. “Interceptive methods” interfere
with human embryos prior to implantation in order to prevent their
birth, while “contragestative” methods eliminate, i.e., kill, them
after implantatation in order to achieve the same purpose. Both are
forms of intentional abortion and always gravely immoral.
The Second Part leaves untouched the question debated by Catholic moral
theologians regarding the procedure known as “gamete intrafallopian
tube transfer” (GIFT). Some judge it an immoral substitute for the
conjugal act; others consider it a legitimate way of aiding the
conjugal act to achieve its procreative meaning. The issue thus remains
one open to legitimate debate.
3. The Third Part, after its introductory paragraph, takes up new
treatments involving the manipulation of the human embryo or the humane
genome patrimony. Nos. 24-27 coneern Gene therapy, i.e., techniques of
genetic engineering applied to human beings for therapeutic purposes.
There are two broad types: somatic cell gene therapy and germ line cell
therapy. The first aims at eliminating or reducing genetic defects by
manipulating a person’s somatic or body cells, i.e., cells other than
the reproductive cells. It affects only one individual person. Germ
line cell therapy aims at correcting genetic defects present in germ
line cells with the purpose of transmitting the therapeutic effects to
the offspring of the individual. Both methods of gene therapy can be
undertaken on a fetus before his or her birth as gene therapy in the
uterus or after birth on a child or adult (nos. 24-25). The CDF judges
that “[P]rocedures used on somatic cells for strictly therapeutic
purposes are in principle morally licit,” but since gene therapy can
involve significant risks for the patient, “the ethical principle must
be observed according to which…it is necessary to establish beforehand
that the person being treated will not be exposed to risks to his
health or physical integrity which are excessive or disproportionate to
the gravity of the pathology for which a cure is sought. The informed
consent of the patient or his legitimate representative is also
required.” The “moral evaluation of germ line cell therapy is
different. Whatever genetic modifications are effected on the germ
cells of a person will be transmitted to any potential offspring.
Because the risks connected to any genetic manipulation are
considerable and as yet not fully controllable, in the present state of
research, it is not morally permissible to act in a way that may cause
possible harm to the resulting progeny….in its current state, germ line
cell therapy in all its forms is morally illicit” (no. 26). No. 27
rejects use of genetic engineering for purposes other than
therapeutic, e.g., to manipulate human genes for improving the genetic
pool. DP claims that “Apart from technical difficulties and the real
and potential risks involved, such manipulation would promote a eugenic
mentality and would lead to indirect social stigma with regard to
people who lack certain qualities, while privileging qualities that
happen to be appreciated by a certain culture or society; such
qualities do not constitute what is specifically human” (no. 27).
Moreover, the attempt “to create a new type of human being” embodies
“an ideological element in which man tries to take the place of his
Creator” (no. 27).
No. 28 deals with human cloning. i.e., the asexual or agametic
“reproduction” of the entire human organism in order to produce one or
more "copies" which, from a genetic perspective, are substantially
identical to the single original. It has two purposes: reproduction, to
obtain the birth of a new human being, and medical therapy or research
(no. 28). Reproductive cloning is gravely immoral; it imposes on “the
resulting individual a predetermined genetic identity, subjecting
him…to a form of biological slavery….The fact that someone would
arrogate to himself the right to determine arbitrarily the genetic
characteristics of another person represents a grave offence to the
dignity of that person as well as to the fundamental equality of all
people” (no. 29). “[S]o-called therapeutic cloning is even more
serious. To create embryos with the intention of destroying them, even
with the intention of helping the sick, is completely incompatible with
human dignity, because it makes the existence of a human being at the
embryonic stage nothing more than a means to be used and destroyed. It
is gravely immoral to sacrifice a human life for therapeutic ends” (no.
30).
The final paragraph of no. 30 touches on the creation of stem cells
without bringing into being any human individual who could be the
victim of injustice—an issue more fully considered later in no. 32. No.
30 points out that ethical objections to therapeutic cloning and the
use of human embryos formed in vitro have led to proposed new
techniques presented as capable of producing embryonic-type stem cells
without involving the destruction of true human embryos. Footnote 49
names some of these new techniques: “human parthenogenesis, altered
nuclear transfer (ANT) and oocyte assisted reprogramming (OAR).” No. 30
then declares: “These proposals have been met with questions of both a
scientific and an ethical nature regarding above all the ontological
status of the ‘product’ obtained in this way. Until these doubts have
been clarified, the statement of the Encyclical Evangelium vitae needs
to be kept in mind: ‘what is at stake is so important that, from the
standpoint of moral obligation, the mere probability that a human
person is involved would suffice to justify an absolutely clear
prohibition of any intervention aimed at killing a human embryo.’" DP
neither condemns ANT and OAR, which many faithful Catholic theologians
have proposed as morally legitimate and others opposed, as
intrinsically evil nor affirms the opinion of those who think that the
entity brought into being by those processes is a human being. Instead,
it observes that questions have been raised about the status of the
results of those processes and recalls previous teaching of the sound
prudential norm that those dealing with what might be a human being
cannot rightly treat that entity as other than a human being unless
they are certain beyond reasonable doubt that it is not a human being.
But here too there are some scholars who think that DP rejects ANT and
OAR.
The discussion of cloning leads DP to reflect on the therapeuetic use
of stem cells in nos. 31-32. No. 31 identifies stem cells, their
sources, and the proven therapeutic value of adult stem cells. “Stem
cells are undifferentiated cells with…a) the prolonged capability of
multiplying themselves while maintaining the undifferentiated state; b)
the capability of producing transitory progenitor cells from which
fully differentiated cells descend, for example, nerve cells, muscle
cells and blood cells. Among the sources for human stem
cells…identified thus far are: the embryo in the first stages of its
existence, the fetus, blood from the umbilical cord and various tissues
from adult humans (bone marrow, umbilical cord, brain, mesenchyme from
various organs, etc.) and amniotic fluid.” At first it was thought that
only embryonic stem cells had significant capabilities of
multiplication and differentiation but studies proved that adult stem
cells are very versatile; in fact scientific studies and experiments
have proved that their use has had far more positive results than
embryonic stem cells.
No. 32 offers an ethical evaluation of the use of stem cells,
emphasizing that “it is necessary to consider the methods of obtaining
stem cells as well as the risks connected with their clinical and
experimental use.… Methods which do not cause serious harm to the
subject from whom the stem cells are taken are to be considered licit.
This is generally the case when tissues are taken from: a) an adult
organism; b) the blood of the umbilical cord at the time of birth; c)
fetuses who have died of natural causes. The obtaining of stem cells
from a living human embryo, on the other hand, invariably causes the
death of the embryo and is consequently gravely illicit…The use of
embryonic stem cells or differentiated cells derived from them - even
when these are provided by other researchers through the destruction of
embryos or when such cells are commercially available - presents
serious problems from the standpoint of cooperation in evil and
scandal. There are no moral objections to the clinical use of stem
cells that have been obtained licitly; however, the common criteria of
medical ethics need to be respected…. Research initiatives involving
the use of adult stem cells, since they do not present ethical
problems, should be encouraged and supported’” (no. 32).
No. 33 considers Attempts at hybridization, i.e., using animal oocytes
to reprogram the nuclei of human somatic cells in order to obtain
embryonic stem cells from embryos produced without having to use human
oocytes. Procedures of this kind are a grave offense against human
dignity because of the mixing of human and animal genetic elements that
can disrupt man’s specific identity. Moreover, the possible use of stem
cells taken from these embryos may also involve additional and as yet
unknown health risks because of the presence of animal genetic material
in their cytoplasm. “To consciously expose a human being to such risks
is morally and ethically unacceptable.”
In nos. 34-35 DP addresses The use of human “biological material” of
illicit origin. No. 34 identifies the problem: cooperation in evil and
giving scandal insofar as cell lines originally obtained by illicit
interventions against human life and integrity are at times used for
scientific research or the production of vaccines and other products.
Some general principles must be given to help people form their
consciences rightly. Citing John Paul II’s Evangelium Vitae, no. 34
reminds all that the use of human embryos/fetuses as objects of
experimentation “‘constitutes a crime against their dignity as human
beings who have a right to the same respect owed to a child once born,
just as to every person’" (Evangelium Vitae, 63); thus “these forms of
experimentation always constitute a grave moral disorder” (cf. ibid,
62).
No. 35 notes that a different situation exists when researchers use
“biological material” of illicit origin produced apart from their
research center or commercially obtained. It likewise notes that Donum
vitae articulated the principle to be followed; "The corpses of human
embryos and fetuses…,deliberately aborted or not, must be respected
just as the remains of other human beings. In particular, they cannot
be subjected to mutilation or to autopsies if their death has not yet
been verified and without the consent of the parents or of the mother.
Furthermore, the moral requirements must be safeguarded that there be
no complicity in deliberate abortion and that the risk of scandal be
avoided" (I,4). DP then considers “the criterion of independence”
proposed by some. According to it the use of "biological material" of
illicit origin would be ethically permissible provided there is a clear
separation between those who produce, freeze, and cause the death of
embryos and researchers involved in scientific experimentation. DP
expresses caution here, arguing that of itself this criterion might not
be sufficient “to avoid a contradiction in the attitude of the person
who says that he does not approve of the injustice perpetrated by
others, but at the same time accepts for his own work the ‘biological
material’ which the others have obtained by means of that injustice.
When the illicit action is endorsed by the laws which regulate
healthcare and scientific research, it is necessary to distance oneself
from the evil aspects of that system in order not to give the
impression of a certain toleration or tacit acceptance of actions which
are gravely unjust. Any appearance of acceptance would in fact
contribute to the growing indifference to, if not the approval of, such
actions in certain medical and political circles.” In fact, “there is a
duty to refuse to use such ‘biological material’ even when there is no
close connection between the researcher and the actions of those who
performed the artificial fertilization or the abortion, or when there
was no prior agreement with the centers in which the artificial
fertilization took place. This duty springs from the necessity to
remove oneself, within the area of one's own research, from a gravely
unjust legal situation and to affirm with clarity the value of human
life. Therefore, the above-mentioned criterion of independence is
necessary, but may be ethically insufficient.”
But “within this general picture there exist differing degrees of
responsibility. Grave reasons may be morally proportionate to justify
the use of such ‘biological material.’ Thus, for example, danger to the
health of children could permit parents to use a vaccine which was
developed using cell lines of illicit origin, while keeping in mind
that everyone has the duty to make known their disagreement and to ask
that their healthcare system make other types of vaccines available.
Moreover, in organizations where cell lines of illicit origin are being
utilized, the responsibility of those who make the decision to use them
is not the same as that of those who have no voice in such a decision.”
The Conclusion (nos.36 and 37 is in essence a reasoned and reasonable
apologia for the purpose and spirit of the Magisterium’s analysis and
evaluation of contemporary developments in biomedicine affecting human
persons and the institution of marriage. The entire matter is
summarized this way: “In virtue of the Church's doctrinal and pastoral
mission, the Congregation for the Doctrine of the Faith has felt
obliged to reiterate both the dignity and the fundamental and
inalienable rights of every human being, including those in the initial
stages of their existence, and to state explicitly the need for
protection and respect which this dignity requires of everyone. The
fulfillment of this duty implies courageous opposition to all those
practices which result in grave and unjust discrimination against
unborn human beings, who have the dignity of a person, created like
others in the image of God. Behind every "no " in the difficult task of
discerning between good and evil, there shines a great "yes" to the
recognition of the dignity and inalienable value of every single and
unique human being called into existence” (no. 37). DP ends by saying:
“The Christian faithful will commit themselves to the energetic
promotion of a new culture of life by receiving the contents of this
Instruction with the religiousassent of their spirit, knowing that God
always gives the grace necessary to observe his commandments and that,
in every human being, above all in the least among us, one meets Christ
himself (cf. Mt 25:40). In addition, all persons of good will, in
particular physicians and researchers open to dialogue and desirous of
knowing what is true, will understand and agree with these principles
and judgments, which seek to safeguard the vulnerable condition of
human beings in the first stages of life and to promote a more human
civilization.”
Final word. As noted, different scholars have given different and
opposing interpretations to some issues taken up the document, e.g. the
moral liceity of prenatally adopting frozen and abandoned embryos and
ANT and OAR as means of securing pluripotent stem cells without killing
human embryos. Undoubtedly these and other debates interpretations will
be brought to the attention of the CDF so that its teaching on these
and similar issues will be clearly understood.
(c) Culture of Life Foundation, 2009. Reproduction granted with attribution required.
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