1. Mouth to lung airway for cardiac resuscitation;Don Michael;Lancet,1968
2. Advanced Cardiac Life Support. New York, American Heart Association 1975, pamphlet 70-034-B, 12-75-2M, 3-76-5M, pp 11–12; and pamphlet 70-034-A, pp 16–18
3. The esophageal obturator airway;Fairley;Respir Ther Nov/Dec,1973
4. Don Michael TA, Gordon AS: Esophageal obturator airway: A new adjunct for artificial ventilation. Read before the National Conference on Standards for Cardiopulmonary Resuscitation and Emergency Cardiac Care, Washington, DC, May 16, 1973
5. Committee on Emergency Medical Service, National Academy of Sciences-National Research Council: Standards of cardiopulmonary resuscitation (CPR) and emergency cardiac care (ECC);JAMA,1974