title: Monitoring methotrexate levels in osteosarcoma.
authors.forename: R
authors.initials: R
authors.lastname: Gorlick
authors.forename: P
authors.initials: P
authors.lastname: Meyers
authors.forename: M
authors.initials: M
authors.lastname: Kellick
authors.forename: J R
authors.initials: JR
authors.lastname: Bertino
mesh_terms: D017024:Chemotherapy, Adjuvant; D006801:Humans; D008727:Methotrexate / Q000008:administration & dosage / Q000097:blood* / Q000627:therapeutic use; D012516:Osteosarcoma / Q000097:blood* / Q000175:diagnosis / Q000188:drug therapy; D011379:Prognosis; D012189:Retrospective Studies
chemical_list: D008727:Methotrexate