@article{doi:10.1302/0301-620X.86B8.14834, author = {Calder, J. D. F. and Buttery, L. and Revell, P. A. and Pearse, M. and Polak, J. M.}, title = {Apoptosis – a significant cause of bone cell death in osteonecrosis of the femoral head}, journal = {The Journal of Bone & Joint Surgery British Volume}, volume = {86-B}, number = {8}, pages = {1209-1213}, year = {2004}, doi = {10.1302/0301-620X.86B8.14834}, url = {https://doi.org/10.1302/0301-620X.86B8.14834} }