Letter: Prazosin in treatment of hypertension.
D006801:Humans; D006830:Hydralazine / Q000627:therapeutic use; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D010879:Piperazines / Q000627:therapeutic use; D011433:Propranolol / Q000627:therapeutic use; D011799:Quinazolines / Q000627:therapeutic use*
D010879:Piperazines; D011799:Quinazolines; D006830:Hydralazine; D011433:Propranolol