Drobnjak M. ea, 1994
Drobnjak M., Latres E., Pollack D., Karpeh M., Dudas M., Woodruff J.M, Brennan M.F., Cordon-Cardo C. Prognostic implications of p53 nuclear overexpression and high proliferation index of Ki-67 in adult soft-tissue sarcomas. // J. Nat. Cancer Inst. 1994. 86 (7):549-54,