Lippman, S. A., Chinaglia, M., Donini, A. A., Diaz, J., Reingold, A., & Kerrigan, D. L. (2012). Findings from Encontros: a multi-level STI/HIV intervention to increase condom use, reduce STI, and change the social environment among sex workers in Brazil. Sexually transmitted diseases, 39(3), 209.