title: [A short-term clinical observation during the treatment of essential hypertension by atenolol composite tablets].
mesh_terms: D000328:Adult; D001262:Atenolol / Q000008:administration & dosage*; D002752:Chlorthalidone / Q000008:administration & dosage*; D004338:Drug Combinations; D005260:Female; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D009543:Nifedipine / Q000008:administration & dosage*; D013607:Tablets
chemical_list: D004338:Drug Combinations; D013607:Tablets; D001262:Atenolol; D009543:Nifedipine; D002752:Chlorthalidone