title: Heart arrest and cardiopulmonary resuscitation. Introduction.
authors: Robert E
authors: RE
authors: O'Connor
mesh_terms: D016887:Cardiopulmonary Resuscitation / Q000266:history; D017408:Guidelines as Topic; D006323:Heart Arrest / Q000628:therapy*; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D014481:United States