title: Enhancement of 6-thioguanine cytotoxic activity with methotrexate.
mesh_terms: D000818:Animals; D002250:Carbon Radioisotopes; D002470:Cell Survival / Q000187:drug effects; D004353:Drug Evaluation, Preclinical; D004357:Drug Synergism; D004359:Drug Therapy, Combination; D007700:Kinetics; D007939:Leukemia L1210 / Q000188:drug therapy*; D008727:Methotrexate / Q000627:therapeutic use*; D051379:Mice; D013866:Thioguanine / Q000378:metabolism / Q000627:therapeutic use*
chemical_list: D002250:Carbon Radioisotopes; D013866:Thioguanine; D008727:Methotrexate