Pilot study of antihypertensive treatment in the elderly.
D000368:Aged; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004338:Drug Combinations; D005260:Female; D006801:Humans; D006852:Hydrochlorothiazide / Q000009:adverse effects / Q000627:therapeutic use*; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008790:Metoprolol / Q000009:adverse effects / Q000627:therapeutic use*; D010865:Pilot Projects; D011412:Propanolamines / Q000627:therapeutic use*; D011897:Random Allocation
D004338:Drug Combinations; D011412:Propanolamines; D006852:Hydrochlorothiazide; D008790:Metoprolol