title: Adjuvant therapy of osteosarcoma.
authors.forename: J R
authors.initials: JR
authors.lastname: Bertino
mesh_terms: D002986:Clinical Trials as Topic; D003131:Combined Modality Therapy; D006801:Humans; D008727:Methotrexate / Q000627:therapeutic use*; D012516:Osteosarcoma / Q000188:drug therapy*; D011897:Random Allocation
chemical_list: D008727:Methotrexate