1. Prehospital cardiopulmonary resuscitation;Rinke;JAMA,1985
2. Cardiopulmonary arrest;Hoffman,1984
3. The effect on delivered oxygen concentration of the rescuer's breathing supplemental oxygen during exhaled-gas ventilation;Hess;Respiratory Care,1985
4. Oxygen enrichment of expired gas for mouth-to-mask resuscitation;Johannigman;Respiratory Care,1991
5. Pocket mask for emergency artificial ventilation and oxygen inhalation;Safar;Crit Care Med,1974