BibTex format
@article{Brisson:2007:10.1503/cmaj.061709,
author = {Brisson, M and Van, de Velde N and De, Wals P and Boily, M-C},
doi = {10.1503/cmaj.061709},
journal = {CANADIAN MEDICAL ASSOCIATION JOURNAL},
pages = {464--468},
title = {Estimating the number needed to vaccinate to prevent diseases and death related to human papillomavirus infection},
url = {http://dx.doi.org/10.1503/cmaj.061709},
volume = {177},
year = {2007}
}