John Hay: discoverer of type II atrioventricular block.
Upshaw
C B
CB
Department of Internal Medicine, Piedmont Hospital, and the Emory University School of Medicine, Atlanta, Georgia, USA.
Silverman
M E
ME
D002309:Cardiology / Q000266:history*; D004739:England; D006327:Heart Block / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans