title: [Prevention of methotrexate toxicity during intensive neoplasm treatment].
mesh_terms: D006801:Humans; D002955:Leucovorin / Q000494:pharmacology*; D008722:Methods; D008727:Methotrexate / Q000009:adverse effects* / Q000037:antagonists & inhibitors* / Q000627:therapeutic use; D009369:Neoplasms / Q000188:drug therapy*
chemical_list: D002955:Leucovorin; D008727:Methotrexate
vernacular_title: Zapobieganie toksyczności metotreksatu stosowanego w intensywnym leczeniu mowotworów.