BibTex format
@article{Mc:2014:10.1136/sextrans-2013-051320,
author = {Mc, Grath-Lone L and Marsh, K and Hughes, G and Ward, H},
doi = {10.1136/sextrans-2013-051320},
journal = {SEXUALLY TRANSMITTED INFECTIONS},
pages = {38--40},
title = {The sexual health of male sex workers in England: analysis of cross-sectional data from genitourinary medicine clinics},
url = {http://dx.doi.org/10.1136/sextrans-2013-051320},
volume = {90},
year = {2014}
}