TY  - JOUR
AU  - Yamamoto, T.
AU  - DiCarlo, E. F.
AU  - Bullough, P. G.
DO  - doi:10.1302/0301-620X.81B2.0810328
UR  - https://doi.org/10.1302/0301-620X.81B2.0810328
TI  - The prevalence and clinicopathological appearance of extension of osteonecrosis in the femoral head
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 81-B
IS  - 2
PY  - 1999
SP  - 328
EP  - 332
ER  -