%0 Journal Article %A T. Yamamoto %A E. F. DiCarlo %A P. G. Bullough %T The prevalence and clinicopathological appearance of extension of osteonecrosis in the femoral head %D 1999 %J The Journal of Bone & Joint Surgery British Volume %P 328-332 %V 81-B %N 2 %R 10.1302/0301-620X.81B2.0810328 %U https://doi.org/10.1302/0301-620X.81B2.0810328 %K