1. Kissmeyer Nielsen, F., Olsen, S., Petersen, V. P., and Fjeldborg, V., Lancet, ii, 662–665 (1966).
2. Perper, R. J., and Najarian, J. S., Transplantation, 4, 377–388 (1966).
3. White, D. J. G., Bradley, B., Calne, R. Y., and Binns, R. M., Transpln Proc., V, 317–320 (1973).
4. Jaffe, E. A., Nachman, R. L., Becker, C. G., and Minick, C. R., J. clin. Invest., 52, 2745–2756 (1973).
5. Rafelson, M., Hoveke, T., and Booyse, F. M., Ser. Haemat., VI, 4, 367–374 (1973).