@article{doi:10.1302/0301-620X.81B6.0810969,
author = {Ito, H. and Kaneda, K. and Matsuno, T.},
title = {Osteonecrosis of the femoral head},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {81-B},
number = {6},
pages = {969-974},
year = {1999},
doi = {10.1302/0301-620X.81B6.0810969},
url = {https://doi.org/10.1302/0301-620X.81B6.0810969}
}