1. W. C. J. Ross, in Biological Alkylating Agents, Butterworths, London (1962).
2. S. E. Jones, Cancer Treat. Rep. 66 (1982) 847.
3. D. L. Hill, in A Review of Cyclophosphamide, Charles C. Thomas, Springfield, IL (1975).
4. R. L. Comis, Cancer Treat. Rep. 60 (1976) 165.
5. Proceedings of the 6th New Drug Seminar: DTIC, Cancer Treat. Rep. 60 (1976) 123.