title: Improved identification of chromosomes of leukemic cells in methotrexate-treated cultures.
mesh_terms: D001853:Bone Marrow / Q000187:drug effects / Q000648:ultrastructure*; D002478:Cells, Cultured; D002871:Chromosome Banding; D002877:Chromosomes, Human; D006801:Humans; D007938:Leukemia / Q000235:genetics*; D008214:Lymphocytes / Q000187:drug effects / Q000648:ultrastructure*; D008727:Methotrexate / Q000494:pharmacology*
chemical_list: D008727:Methotrexate