title: A double-blind study with oral labetalol (Trandate)--a new hypotensive agent.
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004983:Ethanolamines / Q000627:therapeutic use*; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D007741:Labetalol / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D010919:Placebos
chemical_list: D004983:Ethanolamines; D010919:Placebos; D007741:Labetalol