@article{doi:10.1302/0301-620X.80B1.0800056,
author = {Mont, M. A. and Einhorn, T. A. and Sponseller, P. D. and Hungerford, D. S.},
title = {The trapdoor procedure using autogenous cortical and cancellous bone grafts for osteonecrosis of the femoral head},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {80-B},
number = {1},
pages = {56-62},
year = {1998},
doi = {10.1302/0301-620X.80B1.0800056},
url = {https://doi.org/10.1302/0301-620X.80B1.0800056}
}