1. Allegra CJ. Antifolates. In: (Chabner BA, Collins JM, eds) Cancer Chemotherapy: Principles and Practice. J.B. Lippincott, Philadelphia, 1990, pp. 110–153.
2. Rayl EA, Pizzorno G. Antifolates: current developments. Cancer Treat Res 1996; 87:197–223.
3. Priest DG, Bunni MA. Folates and folate antagonists in cancer chemotherapy. In: (Bailey LB, ed) Folate in Health and Disease. Marsel Dekker, New York, 1995, pp. 379–403.
4. Niemeyer CM, Hitchcock BS, Sallan SE. Comparative analysis of treatment programs for childhood acute lymphoblastic leukemia. Semin Oncol 1985; 12:122–130.
5. Schornagel JH, McVie JG. The clinical pharmacology of methotrexate. Cancer Treat Rev 1983; 10:53–75.