@article{Shisana2004,
author = {Shisana, O. and Zungu-Dirwayi, N. and Toefy, Y. and Simbayi, L.C. and Malik, S. and Zuma, K.},
title= {Marital status and risk of HIV infection in South Africa},
year = {2004},
journal = {South African Medical Journal},
volume = {94},
number = {7},
pages = {537--543},
}