1. A.A. Bogomolets, Vrachebnoe Delo 8, 562–566 (1938).
2. V.D. Vinogradov, Experimental Study of Specific and Nonspecific Resistance to Malignant Tumors (Experimental Investigation Using Artificial Immunization of White Mice), Candidate's Dissertation. (Moscow, 1948). In Russian.
3. R. E. Kavetskii and M.P. Fediushin, Transactions of the 1st Congress of Oncologists of the Ukrainian SSR, 1940, pp. 374–377.
4. M.S. Lomakin, Biull. Eksptl. Biol. i Med. 9, 40–44 (1956). Original Russian pagination. See C.B. translation.
5. P.P. Filatov, Biull. Eksptl. Biol. i Med. 11, 56 (1955).