BibTex format
@article{Calder:2004:10.1302/0301-620X.86B8.14834,
author = {Calder, JDF and Buttery, L and Revell, PA and Pearse, M and Polak, JM},
doi = {10.1302/0301-620X.86B8.14834},
journal = {JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME},
pages = {1209--1213},
title = {Apoptosis - a significant cause of bone cell death in osteonecrosis of the femoral head},
url = {http://dx.doi.org/10.1302/0301-620X.86B8.14834},
volume = {86B},
year = {2004}
}