RT Journal Article SR Electronic T1 Surgery for Mitral Stenosis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 103 OP 109 VO 21 IS 2 A1 Effler, Donald B. A1 Groves, Laurence K. A1 Sones, F. Mason YR 1954 UL http://www.ccjm.org/content/21/2/103.abstract AB