PT - JOURNAL ARTICLE ED - Rutecki, Gregory W. AU - Kravets, Igor TI - Big heart, small ring AID - 10.3949/ccjm.84a.16101 DP - 2017 Dec 01 TA - Cleveland Clinic Journal of Medicine PG - 925--933 VI - 84 IP - 12 4099 - http://www.ccjm.org/content/84/12/925.short 4100 - http://www.ccjm.org/content/84/12/925.full SO - Cleve Clin J Med2017 Dec 01; 84