1. The Impact of the National Cancer Act: J Natl Cancer Inst 83: 1783?1796, 1991
2. Kessel D: Resistance to antineoplastic drugs. CRC Press. Boca Raton, FL, 1988
3. Dive C, Hickman JA: Drug target interactions: only the first step in the commitment to a programmed cell death? Br J Cancer 64: 192?196, 1991
4. Kung AL, Zetterberg A, Sherwood SW, Schimke RT: Cytotoxic effects of cell cycle phase specific agents: results of cell cycle perturbation. Cancer Res 50: 7307?7317, 1990
5. Cotter TG, Lennon SV, Martin SJ: Apoptosis: programmed cell death. J Biomed Sci 1: 72?80, 1990