1. Halpern, B. N., Prévot, A.-R., Biozzi, G., Stiffel, C., Mouton, D., Morard, J.-C., Bouthillier, Y., and Decreusefond, C., J. Reticuloendothelial Soc, 1, 77 (1964). •
2. Neveu, T., Branellec, A., and Biozzi, G., Ann. Inst. Pasteur, 106, 771 (1964).
3. Biozzi, G., Stiffel, C., Mouton, D., Liacopoulos-Briot, M., Decreusefond, C., and Bouthillier, Y., Ann. Inst. Pasteur, 110, Suppl. 1 (1966).
4. Halpern, B. N., Biozzi, G., Stiffel, C., and Mouton, D., Nature, 212, 853 (1966).
5. Woodruff, M. F. A., and Boak, J. L., Brit. J. Cancer, 20, 345 (1966).