PT - JOURNAL ARTICLE AU - Portmann, U. V. AU - Robinson, W. H. TI - Lymphatic Leukemia Occurring Simultaneously in Negro Brother and Sister DP - 1951 Jan 01 TA - Cleveland Clinic Journal of Medicine PG - 33--34 VI - 18 IP - 1 4099 - http://www.ccjm.org/content/18/1/33.short 4100 - http://www.ccjm.org/content/18/1/33.full SO - Cleve Clin J Med1951 Jan 01; 18