sixty patients with fairly stable asthma of mild or moderate severity entered a multicentre , double-blind cross-over trial , comparing the efficacy of inhaled beclomethasone dipropionate preceded 10 minutes earlier by inhalation of salbutamol with that of beclomethasone followed 10 minutes later by salbutamol during two consecutive three-month periods .
C0004906
beclomethasone dipropionate
C0004905
beclomethasone