Benson, H The effect of preoperative systemic blood pressure on closed mitral valvuloplasty: a study of 1,630 patients with up to 15 year follow-up. [electronic resource] - American heart journal Apr 1968 - 439-48 p. digital Publication Type: Journal Article ISSN: 0002-8703 Standard No.: 10.1016/0002-8703(68)90002-1 doi Subjects--Topical Terms: AdultAtrial Fibrillation--complicationsBlood Pressure DeterminationFollow-Up StudiesHumansHypertension--complicationsInfarction--complicationsKidney Diseases--complicationsMiddle AgedMitral Valve Stenosis--mortalityNephrosclerosis--complicationsPrognosis