in 93 patients with hypertension uncontrolled by bendrofluazide 5 mg plus atenolol 100 mg daily , the effects of adding nifedipine ( up to 60 mg/day , n = 31 ) , prazosin ( up to 20 mg/day , n = 31 ) , or hydralazine ( up to 200 mg/day , n = 31 ) were compared in a 6 month open random parallel group study .
C0020538
hypertension
C0032912
prazosin