labetalol and propranolol caused a similar fall in supine pulse rate ( -11/min and -13/min respectively ) , but there was less bradycardia on standing ( labetalol -11/min ; propranolol -18/min ; p less than 0-001 ) and after exercise ( labetalol -17/min ; propranolol -23/min ; p less than 0-001 ) .
C0428977
bradycardia
C0033497
propranolol