title: The use of the life aid cardiopulmonary resuscitator--preliminary report.
mesh_terms: D000368:Aged; D005260:Female; D006323:Heart Arrest / Q000628:therapy; D006336:Heart Massage / Q000295:instrumentation; D006801:Humans; D007384:Intermittent Positive-Pressure Breathing / Q000295:instrumentation; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000627:therapeutic use; D012151:Resuscitation / Q000295:instrumentation*
chemical_list: D010100:Oxygen