1Theodorou DJ,Malizos KN,Beris AE,et al.Multimodal imaging quantitation of the lesion size in osteonecrosis of the femoral head.Clin Orthop,2001,386:54-63.
2Froberg PK,Branstein EM.Osteonecrosis transient osteoporosis and transient bone marrow edema:current concepts.Radiol Clin North Am,1996,34(1):273-292.
5Matsou K,Hirohata T,Sugioka Y,et al.Influence of alcohol intake,cigarette smoking and occupational statas on idiopathic osteonecrosis of the femoral head.Clin Orthop,1998,234:115.