1. Clinical aspects of drug resistance;Sobrero;Cancer Surv,1986
2. Leucovorin rescue revisited;Bertino;J Clin Oncol,1990
3. Clinical and laboratory approaches to drug resistance;Dalton;Curr Opin Oncol,1991
4. Drug resistance in cancer;Curt;Cancer Treat Rep,1984
5. The phenomenon of pleiotropic drug resistance;Myers;Important Adv Oncol,1987