PT - JOURNAL ARTICLE AU - Effler, Donald B. TI - Defects of the Mitral Valve DP - 1962 Oct 01 TA - Cleveland Clinic Journal of Medicine PG - 167--176 VI - 29 IP - 4 4099 - http://www.ccjm.org/content/29/4/167.short 4100 - http://www.ccjm.org/content/29/4/167.full SO - Cleve Clin J Med1962 Oct 01; 29