title: High-dose methotrexate is effective in osteosarcoma so what is the problem?
authors.affiliation: Department of Pediatric Hematology Oncology, Schneider Children's Medical Center of Israel, Petah Tikva, Israel. icohen@tau.ac.il
authors.forename: Ian Joseph
authors.initials: IJ
authors.lastname: Cohen
mesh_terms: D000964:Antimetabolites, Antineoplastic / Q000008:administration & dosage*; D001859:Bone Neoplasms / Q000188:drug therapy*; D006801:Humans; D008727:Methotrexate / Q000008:administration & dosage*; D012516:Osteosarcoma / Q000188:drug therapy*; D016896:Treatment Outcome
chemical_list: D000964:Antimetabolites, Antineoplastic; D008727:Methotrexate