No abstract available
MeSH terms
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Animals
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Cell Transplantation / adverse effects
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Endogenous Retroviruses / isolation & purification*
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Humans
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Organ Transplantation / legislation & jurisprudence
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Risk Assessment
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Swine
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Transplantation, Heterologous / adverse effects*
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Transplantation, Heterologous / standards*
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United States
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United States Food and Drug Administration / legislation & jurisprudence*