@article{Smith2007,
author = {Smith, D.J.},
title= {Modern marriage, men's extramarital sex, and HIV risk in Southeastern Nigeria},
year = {2007},
doi = {10.2105/AJPH.2006.088583},
journal = {American Journal of Public Health},
volume = {97},
number = {6},
pages = {997--1005},
}