1. Jeejeebhoy, M. F., Transplantation, 5, 273 (1967).
2. Antoine, B., Neveu, T., Bach, J. F., and Dardenne, M., First Inter. Cong. Transplan. Soc., Paris (1967) (in the press).
3. Nota, N. R., Liacopoulos Briot, M., Stiffel, C., and Biozzi, G., CR Acad. Sci., Paris, 259, 1277 (1964).
4. Zaalberg, O. B., Nature, 202, 1231 (1964).
5. Bach, J., Neveu, T., Klein, M., Watchi, J. M., Dardenne, M., and Antoine, B., Cell Bound Immunity with Special Reference to Antilymphocyte Serum and Immunotherapy of Cancer (Les Congrès et Colloques del'Université de Liège pub., in the press).