the efficacy of twice daily inhaled beclomethasone dipropionate administered by a concentrated aerosol inhaler ( one puff twice daily-500 micrograms/day ) has been compared with that of treatment four times daily with a standard dose inhaler ( two puffs four times daily-400 micrograms/day ) in 21 patients with stable asthma .
C0004906
beclomethasone dipropionate
C0004096
asthma