1. U Min, Voprosy Onkol. 7, 5 (1959).
2. L. F. Sharlikova, Voprosy Onkol. 6, 74 (1955).
3. L. F. Sharlikova, The Development of Drug Resistance in Sarcoma-45 of Rats to Chloroethylamines and Ethylenimines (Candidate's dissertation) [in Russian] (Moscow, 1958).
4. D. A. Clarke et al., Ann. (N. Y. Acad. Sci., 1954)60, 2, 235.
5. K. Hosokawa, Gann.41, 236 (1950);42, 343 (1951).