a metered-dose aerosol formulation of terbutaline sulfate ( brethaire ) , 0.400 mg four times daily , was compared with an identical formulation of isoproterenol sulfate , 0.150 mg four times daily , in a parallel , double-blind , clinical study completed by 40 adult patients with asthma .
C0039543
terbutaline sulfate
C0004096
asthma