Fisher, Robert H.Metzger, JamesHenriksen, Ruth A.2016-02-052016-02-051996-09-10U.S. Patent No. 5,554,590http://hdl.handle.net/10342/5188A method of treating asthma in a subject in need of such treatment comprises contacting Asthma Reversal Factor to the respiratory epithelium of the subject. The active agent is preferably contacted to the subject's respiratory epithelium by causing the subject to inhale respirable particles comprised of the active agent.Method of treating asthmaPatent