1. Folic Acid Metabolism in Health and Disease;Stokstad,1990
2. Folic Acid Metabolism in Health and Disease;Ratnam,1990
3. Folate Receptors
4. Anticancer Development Guide: Antifolate Drugs in Cancer Therapy;Jansen,1999
5. Drug Transport in Antimicrobial and Anticancer Chemotherapy;Matherly,1995