Systolic time intervals in chronic hypertensives before and after antihypertensive therapy.
D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D006830:Hydralazine / Q000008:administration & dosage*; D006973:Hypertension / Q000188:drug therapy* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction / Q000187:drug effects*; D011433:Propranolol / Q000008:administration & dosage*; D013599:Systole / Q000187:drug effects*
D006830:Hydralazine; D011433:Propranolol