Calcium leucovorin - folinic acid rescue.
D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use*; D008727:Methotrexate / Q000506:poisoning* / Q000627:therapeutic use; D009369:Neoplasms / Q000188:drug therapy
D002955:Leucovorin; D008727:Methotrexate