title: Bone scintigraphy: Methotrexate associated bone necrosis.
mesh_terms: D002675:Child, Preschool; D006801:Humans; D007945:Leukemia, Lymphoid / Q000188:drug therapy; D008297:Male; D008727:Methotrexate / Q000009:adverse effects* / Q000627:therapeutic use; D010020:Osteonecrosis / Q000139:chemically induced* / Q000000981:diagnostic imaging; D011877:Radionuclide Imaging
chemical_list: D008727:Methotrexate