title: Propranolol versus labetalol: interesting differences in efficacy.
mesh_terms: D000328:Adult; D000368:Aged; D044383:Black People; 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*; D008875:Middle Aged; D011433:Propranolol / Q000627:therapeutic use*
chemical_list: D004983:Ethanolamines; D011433:Propranolol; D007741:Labetalol