in a series of 450 patients with mild essential hypertension , propranolol alone ( p ) , propranolol plus hydrochlorothiazide ( p+t ) , propranolol plus hydralazine ( p+h ) , and propranolol plus hydrochlorothiazide plus hydralazine ( p+t+h ) were compared to reserpine plus hydrochlorothiazide ( r+t ) .
C0020261
hydrochlorothiazide
C0717830
reserpine