1. Mouth to lung airway for cardiac resuscitation;Don Michael;Lancet,1968
2. The esophageal obturator airway;Farley;Respiration Therapy,1973
3. Standards for cardiopulmonary resuscitation (CPR) and emergency cardiac care (ECC);Committee on Emergency Medical Services, National Academy of Sciences —National Research Council;JAMA,1974
4. Techniques of cardiopulmonary resuscitation (CPR) and pitfalls in performance;Gordon,1972
5. Perforation of the esophagus;Rosoff;Am J Surg,1974