in 12 adult patients with reversible bronchospasm ( 7 bronchial asthma and 5 chronic obstructive bronchitis ) the bronchodilator activity and tolerability of 200 and 400 mcg of broxaterol hydrochloride ( z 1170 ) were compared to those of 200 mcg of salbutamol administered by metered-dose inhaler .
C0006266
bronchospasm
C0001927
salbutamol