1. Increased activity of a novel low pH transporter associated with lipophilic antifolate resistance in Chinese hamster ovary cells;Assaraf;The Journal of Biological Chemistry,1998
2. Double minute chromosomes and homogeneously staining region in chromosomes of a human neuroblastoma cell line;Balaban-Malenbaum;Science,1977
3. Molecular mechanisms of resistance to antifolates, a review;Banergee;Acta Biochimica Polonica,1995
4. Drug resistance: Genotype versus phenotype;Biedler;Cancer Research,1994
5. An overview of folate metabolism: Features relevant to the action and toxicities of antifolate anticancer agents;Calvert;Seminars in Oncology,1999