title: Recent advances in the chemotherapy of metastatic osteogenic sarcoma.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D006801:Humans; D002955:Leucovorin / Q000008:administration & dosage / Q000627:therapeutic use*; D008727:Methotrexate / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D009362:Neoplasm Metastasis; D012516:Osteosarcoma / Q000188:drug therapy*
chemical_list: D002955:Leucovorin; D008727:Methotrexate