Atenolol as an anti-hypertensive drug.
D000959:Antihypertensive Agents / Q000627:therapeutic use*; D001262:Atenolol / Q000627:therapeutic use*; D002752:Chlorthalidone / Q000008:administration & dosage; D002986:Clinical Trials as Topic; D004359:Drug Therapy, Combination; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*
D000959:Antihypertensive Agents; D001262:Atenolol; D002752:Chlorthalidone