PT - JOURNAL ARTICLE ED - Cleveland Clinic TI - Index DP - 1940 Oct 01 TA - Cleveland Clinic Journal of Medicine PG - 302--303 VI - 7 IP - 4 4099 - http://www.ccjm.org/content/7/4/302.short 4100 - http://www.ccjm.org/content/7/4/302.full SO - Cleve Clin J Med1940 Oct 01; 7