title: Slow-release metoprolol, hydrochlorothiazide and hydralazine in stepwise treatment of essential hypertension.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003692:Delayed-Action Preparations; D004338:Drug Combinations; D004341:Drug Evaluation; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D006830:Hydralazine / Q000627:therapeutic use*; D006852:Hydrochlorothiazide / Q000627:therapeutic use*; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008790:Metoprolol / Q000627:therapeutic use*; D008875:Middle Aged
chemical_list: D003692:Delayed-Action Preparations; D004338:Drug Combinations; D006852:Hydrochlorothiazide; D006830:Hydralazine; D008790:Metoprolol