@article{Nnko2004,
author = {Nnko, S.  and Boerma, J. T.  and Urassa, M. and Mwaluko, G.  and Zaba, B.  },
title= {Secretive females or swaggering males?  An assessment of the quality of sexual partnership reporting in rural Tanzania},
year = {2004},
journal = {Social Science and Medicine},
volume = {59},
number = {2},
pages = {299--310},
}