title: Reflections on cardiopulmonary resuscitation.
mesh_terms: D000138:Acidosis / Q000503:physiopathology; D006323:Heart Arrest / Q000628:therapy*; D006336:Heart Massage; D006801:Humans; D008168:Lung / Q000503:physiopathology; D011175:Positive-Pressure Respiration; D011652:Pulmonary Circulation