1. Barrett, M. K.: Some immunogenetic influences upon transplanted tumors. Cancer Res.12, 535 (1952).
2. Ehrlich, P.: Experimentelle Carcinomstudien an Mäusen. Z. ärztl. Fortbildg3, 205 (1906).
3. Emerson, Ch. P., W. Franklin, F. C. Lowell: The production of potent anti-human globulin (Coombs-reagent) in rabbits immunized with serum adjuvant mixtures. J. of Immun.66, 323 (1951).
4. Gorer, P. A.: The antigenic basis of tumor transplantation. J. of Path.47, 231 (1938).
5. : The role of antibodies in immunity to transplanted leukaemia in mice. J. of Path.54, 51 (1942).