title: Cardiopulmonary resuscitation. Perspectives and problems.
mesh_terms: D000328:Adult; D000368:Aged; D004636:Emergency Service, Hospital; D005069:Evaluation Studies as Topic; D006336:Heart Massage; D006787:Hospitals, Veterans; D006801:Humans; D008875:Middle Aged; D011446:Prospective Studies; D012151:Resuscitation; D014922:Wisconsin