1. Bain, B., Vas, M. R., and Lowenstein, L., Blood, 23, 108 (1964).
2. Bach, F. H., and Hirschhorn, K., Science, 143, 813 (1964).
3. Kasakura, S., and Lowenstein, L., Histocompatibility Testing (edit. by Videbaek, A.) (Munksgaard, Copenhagen, 1965).
4. Elves, M. W., Nature, 223, 90 (1969).
5. Bach, M. L., Solliday, S., and Stambuk, M., Histocompatibility Testing (edit. by Terasaki, P. I.) (Scandinavian University Books, 1970).