TY - JOUR T1 - Tumors in allograft recipients JF - N Engl J Med Y1 - 1979 A1 - Penn,I. KW - *Transplantation, Homologous KW - Bone Marrow Transplantation KW - Cell Transformation, Neoplastic KW - Humans KW - Kidney Transplantation KW - Leukemia / etiology KW - Liver Transplantation KW - Lymphoma / *etiology KW - Neoplasms / *etiology KW - Tissue Donors VL - 301 CP - 7 N1 - 0028-4793 (Print) Letter ID - 1216 ER -