TY - GEN AU - Hum,M C AU - Smith,A K AU - Lark,R H AU - Winick,N J AU - Kamen,B A TI - Evidence for negative feedback of extracellular methotrexate on blasts of acute lymphoblastic leukemia in vitro SN - 0277-0008 PY - 1998///0130 KW - Antimetabolites, Antineoplastic KW - metabolism KW - B-Lymphocytes KW - Chromatography, High Pressure Liquid KW - Humans KW - Methotrexate KW - Polyglutamic Acid KW - Precursor Cell Lymphoblastic Leukemia-Lymphoma KW - drug therapy KW - Tumor Cells, Cultured N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S ER -