title: FDA seeks to close xenotransplant gap.
authors.forename: C
authors.initials: C
authors.lastname: Macilwain
mesh_terms: D000818:Animals; D017408:Guidelines as Topic; D006801:Humans; D012307:Risk Factors; D013552:Swine; D014183:Transplantation, Heterologous / Q000009:adverse effects; D014481:United States; D014486:United States Food and Drug Administration; D014777:Virus Diseases / Q000635:transmission