1. Oldham RK, et al. Evaluation of cell-mediated cytotoxic reactivity against tumor associated antigens with 125I-iododeoxyuridine labeled target cells. J Immunol 1973; 111(6):1862. 2. 王球达,等.天然杀伤细胞的研究I. 125I-UdR释放试验和正常人外周血淋巴细胞的NK活性.上海免疫学杂志1983; 3(5): 272. 3. Ray PK. Immunobiology of transplantation cancer and pregnancy. 1st ed. New York: Pergamon, 1983; 335.