title: [Closed-chest cardiac resuscitation-practice before 1960].
mesh_terms: D000818:Animals; D002415:Cats; D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D012151:Resuscitation / Q000266:history / Q000379:methods*; D014481:United States