BibTex format
@article{Grassly:2005:10.1038/nature03072,
author = {Grassly, NC and Fraser, C and Garnett, GP},
doi = {10.1038/nature03072},
journal = {NATURE},
pages = {417--421},
title = {Host immunity and synchronized epidemics of syphilis across the United States},
url = {http://dx.doi.org/10.1038/nature03072},
volume = {433},
year = {2005}
}