Adjuvant chemotherapy in osteogenic sarcoma.
D003131:Combined Modality Therapy; D006801:Humans; D008175:Lung Neoplasms / Q000556:secondary; D008727:Methotrexate / Q000627:therapeutic use*; D012516:Osteosarcoma / Q000188:drug therapy*; D012107:Research Design
D008727:Methotrexate