1. Foreign body airway obstruction management;American Heart Association,1990
2. Vasodilator therapy of cardiac failure;Cohn;N Engl J Med,1977
3. Emergency management of foreign body obstruction;Gordon,1977
4. A life-saving maneuver to prevent food-choking;Heimlich;JAMA,1975
5. Emergency department treatment of asthma and exacerbations of chronic obstructive pulmonary disease (COPD);Ilowite,1994