1Ling RSM. Obervation on the fixation of implants to the body skeleton. Clin Othop,1986,(210):80-96.
2Ficat RP, Arlet J. Ischemie et necrose osscuse. Paris: Masson,1977.224.
3Humphreys S, Spencer JD,Tighe JR, et al. The femoral head in osteonecrosis: a quantitative study of osteocyte population. J Bone Joint Surg[Br],1989,71:205-208.
4Bozic KJ, Zurakowskl D, Thornhill TS. Survivorship analysis of hips treated with core decompression for nontraumatic osteonecrosis of the femoral head. J Bone Joint Surg[Am], 1999,81:200-209.
5Hernigou P, Beaujean F. Abnormalities in the bone narrow of the iliac crest in patient who have osteonecrosis secondary to corticcosteriod therapy or alcohol abuse. J Bone Joint Surg [Am],1997,79:1047-1053.
6Wong SY, Karikas J,Evans RA, et al. The effect of age on bone composition and viability in the femoral head. J Bone Joint Surg Am, 1985,67:274-283.
