title: Antigenic changes associated with resistance to methotrexate and 6-mercaptopurine in L1210 ascites lymphoma.
mesh_terms: D000818:Animals; D000951:Antigens, Neoplasm; D004351:Drug Resistance; D007114:Immunization; D007939:Leukemia L1210 / Q000188:drug therapy / Q000276:immunology*; D015122:Mercaptopurine / Q000627:therapeutic use*; D008727:Methotrexate / Q000627:therapeutic use*; D051379:Mice; D008810:Mice, Inbred C57BL; D008811:Mice, Inbred DBA; D008937:Mitomycins; D009368:Neoplasm Transplantation; D014184:Transplantation, Homologous
chemical_list: D000951:Antigens, Neoplasm; D008937:Mitomycins; D015122:Mercaptopurine; D008727:Methotrexate