title: Forty-two years in cardiology.
authors.forename: D T
authors.initials: DT
authors.lastname: Mason
mesh_terms: D002309:Cardiology / Q000266:history*; D049673:History, 20th Century; D010506:Periodicals as Topic / Q000266:history; D012955:Societies, Medical / Q000266:history; D014481:United States