title: Xenotransplantation--clinical activities and regulatory development.
authors.affiliation: Department of Transplantation Surgery, Huddinge University Hospital, Karolinska Institute, Stockholm, Sweden.
authors.forename: Annika
authors.initials: A
authors.lastname: Tibell
authors.forename: Torbjörn
authors.initials: T
authors.lastname: Lundgren
mesh_terms: D000818:Animals; D002986:Clinical Trials as Topic; D004992:Ethics, Medical; D005060:Europe; D006801:Humans; D013548:Sweden; D014183:Transplantation, Heterologous / Q000941:ethics / Q000331:legislation & jurisprudence*; D014481:United States