BibTex format
@article{Gregson:2002:10.1016/S0140-6736(02)08780-9,
author = {Gregson, S and Nyamukapa, CA and Garnett, GP and Mason, PR and Zhuwau, T and Caraël, M and Chandiwana, SK and Anderson, RM},
doi = {10.1016/S0140-6736(02)08780-9},
journal = {LANCET},
pages = {1896--1903},
title = {Sexual mixing patterns and sex-differentials in teenage exposure to HIV infection in rural Zimbabwe},
url = {http://dx.doi.org/10.1016/S0140-6736(02)08780-9},
volume = {359},
year = {2002}
}