the protective effects of oxyphenonium bromide , terbutaline and theophylline were compared in 8 asthmatic patients by determination of the degree of non-specific airway reactivity after 1 week of oral treatment according to a fixed dose scheme in a double-blind random order : oxyphenonium bromide 3 x 10 mg ;
C0039771
theophylline
C0004096
asthmatic