title: Nuffield Council cautiously approves xenotransplantation using pigs.
mesh_terms: D000827:Animal Welfare; D000818:Animals; D003141:Communicable Diseases / Q000635:transmission; D004992:Ethics, Medical; D016027:Heart Transplantation / Q000331:legislation & jurisprudence; D006801:Humans; D013552:Swine; D014183:Transplantation, Heterologous