title: Cardiopulmonary resuscitation: so many controversies.
authors.forename: Jerry P
authors.initials: JP
authors.lastname: Nolan
mesh_terms: D016887:Cardiopulmonary Resuscitation / Q000592:standards*; D003220:Conflict, Psychological; D006323:Heart Arrest / Q000628:therapy; D006801:Humans; D011787:Quality of Health Care