1. The Shorter Oxford English Dictionary,1973
2. On the transplantation of the rat sarcoma in adult heterogenous animals;Shirai;Jap. Med. World,1921
3. Conditions determining the transplantability of tissues in the brain;Murphy;J. Exp. Med.,1923
4. Studies on the problem of corneal homografts;Billingham;Proc. R. Soc. Lond. B. Biol. Sci.,1953
5. Immunity to homologous grafted skin;Medawar;Brit. J. Exp. Path.,1948