Realistic expectations: a look at childhood asthma in the 1980s.
D000553:Ambulatory Care; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D006801:Humans; D010414:Pennsylvania; D013224:Status Asthmaticus / Q000188:drug therapy / Q000453:epidemiology; D013806:Theophylline / Q000008:administration & dosage
D013806:Theophylline