1. Agnello, V. (1978), Medicine, 57, 1–23.
2. Allen, F.H., Jr. (1974), Vox Sang., 27, 382–384.
3. Alper, C.A. (1976), J. Exp. Med., 144, 1111–1115.
4. Alper, C.A. (1980), In The Role of the Major Histocompatibility Complex in Immunobiology, (Dorf, M.E. ed.), New York, pp. 173–220.
5. Alper, C.A., Boenisch, T. and Watson, L. (1972), J. Exp. Med., 135, 68–80.