following a single oral dose of placebo , bevantolol 75 or 150 mg or propranolol hydrochloride 40 mg , forced expiratory volume in 1 second ( fev1 ) , heart rate , blood pressure and skeletal muscle tremor were measured before and after 4 increasing intravenous doses of terbutaline sulfate to establish terbutaline dose-response curves .
C0039543
terbutaline sulfate
C0039542
terbutaline