1 the long-term effect of the converting-enzyme inhibitor captopril was investigated in 76 patients with various forms of severe hypertension , most cases being resistant to a standardised triple therapy ( 100 mg hydrochlorothiazide or 80-500 mg frusemide ; 320 mg propranolol ; and 200 mg hydralazine ) .
C0020538
hypertension
C0033497
propranolol