title: [Double-blind comparative study of the efficacy of metoprolol and hydrochlorothiazide in the elderly hypertensive. Italian results of an international multicenter study].
mesh_terms: D000368:Aged; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D006852:Hydrochlorothiazide / Q000009:adverse effects / Q000627:therapeutic use*; D006973:Hypertension / Q000188:drug therapy*; D007558:Italy; D008297:Male; D008790:Metoprolol / Q000009:adverse effects / Q000627:therapeutic use*; D008875:Middle Aged; D011897:Random Allocation
chemical_list: D006852:Hydrochlorothiazide; D008790:Metoprolol
vernacular_title: Studio comparativo in doppia cecità dell'efficacia del metoprololo e dell'idroclorotiazide nell'iperteso anziano. Risultati italiani di uno studio policentrico internazionale.