1. Abeloff MD, Slavik M, Luk GD, Griffin CA, Hermann J, Blanc O, Sjoersdma A, Baylin SB (1984) Phase I trial and pharmacokinetic studies of alpha-difluoromethylomithine — an inhibitor of polyamine biosynthesis. J Clin Oncol 2: 124–130
2. Abeloff MD, Rosen ST, Luk GD, Baylin SB, Zeltzman M, Sjoersdma A (1986) Phase II trials of alpha-difluoromethylornithine, an inhibitor of polyamine synthesis, on advanced small cell lung cancer and colon cancer. Cancer Treat Rep 70: 843–845
3. Barbolt TA, Abraham R (1977) Experientia 35: 257–258
4. Bertram JS, Kolonel LN, Meyskens FL (1987) Rational and strategies for chemoprevention of cancer in humans. Cancer Res 47: 3012–3031
5. Buell DN (1983) Potential hazards of selenium as a chemopreventive agent. Semin Oncol 10: 311–321