@article{Pettifor2004,
author = {Pettifor, A.E. and Measham, D.M. and Rees, H.V. and Padian, N.S.},
title= {Sexual power and HIV risk, South Africa},
year = {2004},
journal = {Emerging Infectious Diseases},
volume = {10},
number = {11},
pages = {1996--2004},
}