@article{Morison2001,
author = {Morison, L. and Weiss, H.A. and Buvé, A. and Caraël, M. and Abega, S.-C. and Kaona, F. and Kanhonou, L. and Chege, J. and Hayes, R.J.},
title= {Commercial sex and the spread of HIV in four cities in sub-Saharan Africa},
year = {2001},
doi = {10.1097/00002030-200108004-00007},
journal = {AIDS},
volume = {15},
number = {Supplement 4},
pages = {61--69},
}