title: Atenolol as additive therapy in hypertension.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001262:Atenolol / Q000009:adverse effects / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D011412:Propanolamines / Q000627:therapeutic use*
chemical_list: D011412:Propanolamines; D001262:Atenolol