@article{doi:10.1302/0301-620X.80B6.0800954,
author = {Kim, Y.-M. and Ahn, J. H. and Kang, H. S. and Kim, H. J.},
title = {Estimation of the extent of osteonecrosis of the femoral head using MRI},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {80-B},
number = {6},
pages = {954-958},
year = {1998},
doi = {10.1302/0301-620X.80B6.0800954},
url = {https://doi.org/10.1302/0301-620X.80B6.0800954}
}