1. Fefer, A. (1974). Tumour immunotherapy. In: Handbook of Experimental Pharmacology (A. C. Sartorelli and D. G. Johns; eds.), 38 (Part 1), p. 528. (New York: Springer-Verlag)
2. McKhann, C. F. and Gunnarsson, A. (1974). Approaches to immunotherapy. Cancer, 34, 1521
3. Hersh, E. M., Gutterman, J. U. and Mavligit, G. (1973). Immunotherapy of Cancer in Man. (Springfield, 111.: Charles C. Thomas)
4. Parker, C. W. (1973). The immunotherapy of cancer. Pharmacol. Rev., 25, 325
5. Morton, D. L. (1972). Immunotherapy of cancer. Cancer, 30, 1647