@article{doi:10.1302/0301-620X.77B6.7593098, author = {Koo, KH and Kim, R}, title = {Quantifying the extent of osteonecrosis of the femoral head. A new method using MRI}, journal = {The Journal of Bone & Joint Surgery British Volume}, volume = {77-B}, number = {6}, pages = {875-880}, year = {1995}, doi = {10.1302/0301-620X.77B6.7593098}, url = {https://doi.org/10.1302/0301-620X.77B6.7593098} }