title: The trials of xenotransplantation.
mesh_terms: D000818:Animals; D002986:Clinical Trials as Topic; D006801:Humans; D051379:Mice; D011323:Primates; D013552:Swine; D014183:Transplantation, Heterologous / Q000009:adverse effects; D014481:United States; D014486:United States Food and Drug Administration; D014777:Virus Diseases / Q000635:transmission