BibTex format
@article{Richardson:2009:10.2217/17455057.5.1.79,
author = {Richardson, J and Holdcroft, A},
doi = {10.2217/17455057.5.1.79},
journal = {Womens Health (Lond)},
pages = {79--90},
title = {Gender differences and pain medication.},
url = {http://dx.doi.org/10.2217/17455057.5.1.79},
volume = {5},
year = {2009}
}