3Arlet J. Nontraumatic avascular necrosis of the femoral head past present and future[J]. Clin Orthop, 1992, 277: 12-21.
4Kim YM, Rhyu KH, Lee SH, et al. Can ostennecrosis of the femoral head be recurrent [J]? Clin Orthop, 2003, 406:123-8.
5Weidner N. Curred pathologic methods for measuring intratumoral microvessel density within breast carcinoma and other solid tumors[J]. Breast Cancer Res Treat, 1995, 36: 169-72.
6Jones JP. Fat embolism of bone [J]. J Bone Joint Surg (Am), 1996,48: 149-53.
7Kloen P, Leunig M, Ganz R, et al. Early lesions the labrum and acetabular cartilage in osteonecrosis of the femoral head[J]. J Bone Joint Surg (Br), 2002, 84(1):66-9.
8speer K P Spritzer CE,Harrelsom JM,et al.Magnetic resonance imaging of the femoral head after acute intracapsular fracture of the femoral neck.J Bone J oit surg,1990;72-A:98
9Seiler JG,Kregor PJ,Conrad EU,et al.Posttraumatic osteonecrosis in a swine model:correlation of blood cell flux,MRI and histology.Acta Orthop Scand,1996;67:249
10Guerra JL,Alabama B,Steinberg ME.Current concept review:Distinguishing transient osteoporosis from avascular necrosis of the hip.J Bone Joint Surg,1995;77-A:616