Presidential address: a personal testament--reflections on the Tower of Babel.
D002983:Clinical Competence / Q000592:standards*; D006666:History of Medicine; D049673:History, 20th Century; D049711:History, Modern 1601-; D006801:Humans; D012106:Research; D012955:Societies, Medical; D013038:Specialization; D014481:United States