title: Unbalanced deoxyribonucleotide synthesis caused by methotrexate.
mesh_terms: D000752:Anemia, Pernicious / Q000201:enzymology; D000818:Animals; D001853:Bone Marrow / Q000201:enzymology; D001854:Bone Marrow Cells; D004273:DNA, Neoplasm / Q000378:metabolism; D003854:Deoxyribonucleotides / Q000096:biosynthesis; D006801:Humans; D008727:Methotrexate / Q000494:pharmacology*; D051379:Mice; D009711:Nucleotides / Q000096:biosynthesis*
chemical_list: D004273:DNA, Neoplasm; D003854:Deoxyribonucleotides; D009711:Nucleotides; D008727:Methotrexate