title: Forty years ago: lessons for today.
authors.forename: Eugene A
authors.initials: EA
authors.lastname: Hessel
mesh_terms: D000776:Anesthesiology / Q000592:standards; D001926:Brain Death; D002983:Clinical Competence; D016027:Heart Transplantation / Q000266:history* / Q000592:standards / Q000639:trends; D049673:History, 20th Century; D006801:Humans; D013019:South Africa