Important events in cardiology, 1940-1982 a retrospective view.
D006348:Cardiac Surgical Procedures / Q000266:history / Q000592:standards; D002309:Cardiology / Q000266:history* / Q000639:trends; D004992:Ethics, Medical; D006331:Heart Diseases / Q000175:diagnosis / Q000517:prevention & control / Q000628:therapy; D049673:History, 20th Century; D006801:Humans; D008020:Life Support Care; D013677:Medical Laboratory Science / Q000592:standards; D026741:Physical Therapy Modalities / Q000639:trends; D012189:Retrospective Studies; D014481:United States