TY - GEN AU - Zhao,R AU - Sharina,I G AU - Goldman,I D TI - Pattern of mutations that results in loss of reduced folate carrier function under antifolate selective pressure augmented by chemical mutagenesis SN - 0026-895X PY - 1999///0722 KW - Animals KW - Biological Transport KW - Carrier Proteins KW - genetics KW - Drug Resistance, Neoplasm KW - Folic Acid Antagonists KW - pharmacology KW - Leukemia L1210 KW - Membrane Proteins KW - chemistry KW - Membrane Transport Proteins KW - Methotrexate KW - Mice KW - Mutagenesis KW - Reduced Folate Carrier Protein KW - Tumor Cells, Cultured N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S ER -