PT - JOURNAL ARTICLE ED - Cleveland Clinic TI - Index DP - 1939 Oct 01 TA - Cleveland Clinic Journal of Medicine PG - 327--327 VI - 6 IP - 4 4099 - http://www.ccjm.org/content/6/4/327.short 4100 - http://www.ccjm.org/content/6/4/327.full SO - Cleve Clin J Med1939 Oct 01; 6