title: A case history: developing guidelines for cardiac pacemakers.
authors: Hahnemann University Hospital, Philadelphia.
authors: L S
authors: LS
authors: Dreifus
mesh_terms: D000572:American Heart Association; D002309:Cardiology / Q000592:standards*; D002318:Cardiovascular Diseases / Q000145:classification; D002985:Clinical Protocols; D006801:Humans; D010138:Pacemaker, Artificial / Q000592:standards*; D011787:Quality of Health Care / Q000592:standards*; D012955:Societies, Medical; D014481:United States