RT Journal Article SR Electronic T1 Surgery for Mitral Stenosis: Part 1 JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 237 OP 246 VO 20 IS 1 A1 Sones, F. Mason A1 Effler, Donald B. A1 Ballinger, Charles S. YR 1953 UL http://www.ccjm.org/content/20/1/237.abstract AB