The need to focus on sex workers in generalized HIV epidemic settings.

@article{Pettifor2011TheNT,
  title={The need to focus on sex workers in generalized HIV epidemic settings.},
  author={Audrey E Pettifor and Nora Rosenberg and Frieda S Behets},
  journal={Sexually transmitted diseases},
  year={2011},
  volume={38 4},
  pages={324-5}
}