title: Interaction of drugs inhibiting different steps in the synthesis of DNA.
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D003561:Cytarabine / Q000494:pharmacology*; D004273:DNA, Neoplasm / Q000096:biosynthesis*; D003864:Depression, Chemical; D004336:Drug Antagonism; D004347:Drug Interactions; D004357:Drug Synergism; D005246:Feedback; D005467:Floxuridine / Q000494:pharmacology*; D066298:In Vitro Techniques; D007546:Isoquinolines / Q000494:pharmacology; D007939:Leukemia L1210 / Q000378:metabolism*; D008727:Methotrexate / Q000037:antagonists & inhibitors*; D051379:Mice; D008954:Models, Biological; D013882:Thiosemicarbazones / Q000494:pharmacology
chemical_list: D004273:DNA, Neoplasm; D007546:Isoquinolines; D013882:Thiosemicarbazones; D005467:Floxuridine; D003561:Cytarabine; D008727:Methotrexate