BibTex format
@article{Purdue:2015:10.1016/j.annepidem.2014.11.009,
author = {Purdue, MP and Hutchings, SJ and Rushton, L and Silverman, DT},
doi = {10.1016/j.annepidem.2014.11.009},
journal = {ANNALS OF EPIDEMIOLOGY},
pages = {188--192},
title = {The proportion of cancer attributable to occupational exposures},
url = {http://dx.doi.org/10.1016/j.annepidem.2014.11.009},
volume = {25},
year = {2015}
}