title: Double-blind comparison of two beta-blocking drugs with previous therapy in the treatment of hypertension.
mesh_terms: D001794:Blood Pressure; D002740:Chlorothiazide / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D006973:Hypertension / Q000188:drug therapy* / Q000503:physiopathology; D008297:Male; D010869:Pindolol / Q000009:adverse effects / Q000627:therapeutic use*; D011187:Posture; D011433:Propranolol / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D002740:Chlorothiazide; D011433:Propranolol; D010869:Pindolol