Images in Cardiac Pacing and Electrophysiology. Paul Dudley White (1886-1973).
D000572:American Heart Association / Q000266:history; D002309:Cardiology / Q000266:history*; D004562:Electrocardiography / Q000266:history; D049673:History, 20th Century; D006801:Humans; D010678:Philately; D012955:Societies, Medical / Q000266:history; D014481:United States