8Wick Mr, Siegal GP, Mills SE, et al. Dedifferentiated Chondrosarcoma of Bone. An Immunohistochemical and Lectin HistochemicaI Study[J]. Virchows Arch, 1987,411(1) : 23.
10Reddick WE, Wang S, Xiong X, et al. Dynamic Magnetic Reso nance Imaging of Regional Contrast Access as an Additional Prognostic Factor in Pediatric Osteosarcoma[J]. Cancer,2001,91(12) 2230-2237.