1. Bhuyan BK, Scheidt LG, Fraser TJ (1972) Cell cycle phase specificity of antitumor agents. Cancer Res 32: 398
2. Calabresi P, Parks RE Jr (1980) Antiproliferative agents and drugs used for immunosuppression. In: Gilman AG, Goodman LS Gilman A (eds) The pharmacological basis of therapeutics, 6th ed. Macmillan, New York, p 1256
3. Cavanaugh PF Jr, Pavelic ZP, Porter CW (1984) Enhancement of 1,3-bis(2-chloroethyl)-1-nitrosourea-induced cytotoxicity and DNA damage by ?-difluoromethylornithine in L1210 leukemia cells. Cancer Res 44: 3856
4. Colvin M (1982) The alkylating agents. In: Chabner B (ed) Pharmacologic principles of cancer treatment. Saunders, Philadelphia, p 276
5. Ducore JM (1985) DFMO increases L-PAM-induced cytotoxicity and DNA interstrand crosslinking in human cells. Proc Am Assoc Cancer Res 26: 210