title: Early descriptions of aortic regurgitation.
authors: S N
authors: SN
authors: Vaslef
authors: W C
authors: WC
authors: Roberts
mesh_terms: D001022:Aortic Valve Insufficiency / Q000175:diagnosis / Q000209:etiology / Q000266:history*; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans