@article{doi:10.1302/0301-620X.59B3.893509,
author = {Cruess, RL},
title = {Cortisone-induced avascular necrosis of the femoral head},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {59-B},
number = {3},
pages = {308-317},
year = {1977},
doi = {10.1302/0301-620X.59B3.893509},
url = {https://doi.org/10.1302/0301-620X.59B3.893509}
}