Differences in Folylpolyglutamate Synthetase and Dihydrofolate Reductase Expression in Human B-Lineage versus T-Lineage Leukemic Lymphoblasts: Mechanisms for Lineage Differences in Methotrexate Polyglutamylation and CytotoxicityA J Galpin, William E. Evans, Timothy W. Synold et al.|Molecular Pharmacology|1997Cited by 117