1. The changing patterns of posttransplant malignancies;Penn;Transplant Proc,1991
2. Immunosuppression-A contributory factor in lymphoma formation;Penn;Clin Transplant,1992
3. Incidence and treatment of neoplasia after transplantation;Penn;J Heart Lung Transplant,1993
4. Malignant disease in renal transplant patients;Blohme;Transplantation,1985