1. Efficacy of a savings-led microfinance intervention to reduce sexual risk for HIV among women engaged in sex work: A randomized clinical trial Witte, Susan S.; Aira, Toivgoo; Tsai, Laura Cordisco; Riedel, Marion; Offringa, Reid; Chang, Mingway P.; El-Bassel, Nabila; Ssewamala, Fred M. 2015 Articles HIV infections—PreventionHIV infections--Risk factorsMicrofinanceProstitutes