title: Intra-arterial methotrexate in head and neck tumors.
mesh_terms: D000368:Aged; D001158:Arteries; D004359:Drug Therapy, Combination; D006801:Humans; D007263:Infusions, Parenteral; D002955:Leucovorin / Q000627:therapeutic use; D008727:Methotrexate / Q000008:administration & dosage* / Q000627:therapeutic use; D014062:Tongue Neoplasms / Q000188:drug therapy* / Q000628:therapy; D014067:Tonsillar Neoplasms / Q000188:drug therapy* / Q000628:therapy
chemical_list: D002955:Leucovorin; D008727:Methotrexate