title: Position paper on the initiation of clinical trials of xenotransplantation. The American Society of Transplantation and The American Society of Transplant Surgeons.
mesh_terms: D000818:Animals; D002986:Clinical Trials as Topic / Q000592:standards*; D006801:Humans; D012955:Societies, Medical; D014183:Transplantation, Heterologous / Q000592:standards*; D014481:United States