in a double-blind placebo-controlled trial in 24 patients fulfilling the mrc criteria for chronic bronchitis , oral salbutamol 4 mg and slow-release aminophylline ( phyllocontin ) 450 mg produced similar and significant ( p less than 0.05 ) mean increases in forced expiratory volume in one second ( fev1 ) .
C0002575
aminophylline
C0722625
phyllocontin