title: Editorial: A giant step forward - if....
mesh_terms: D000671:Amputation, Surgical; D004317:Doxorubicin / Q000008:administration & dosage* / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D006801:Humans; D002955:Leucovorin / Q000008:administration & dosage* / Q000627:therapeutic use; D008175:Lung Neoplasms / Q000188:drug therapy; D008727:Methotrexate / Q000008:administration & dosage* / Q000627:therapeutic use; D009362:Neoplasm Metastasis; D012516:Osteosarcoma / Q000188:drug therapy* / Q000601:surgery
chemical_list: D004317:Doxorubicin; D002955:Leucovorin; D008727:Methotrexate