1. Improving HIV service delivery for people who inject drugs in Kazakhstan: study protocol for the Bridge stepped-wedge trial McCrimmon, Tara; Gilbert, Louisa; Hunt, Timothy; Terlikbayeva, Assel; Wu, Elwin; Darisheva, Meruyert; Primbetova, Sholpan; Kuskulov, Azamat; Davis, Alissa; Dasgupta, Anindita; Schackman, Bruce R.; Metsch, Lisa R.; Feaster, Daniel J.; Baiserkin, Baurzhan; El-Bassel, Nabila 2019 Articles HIV (Viruses)Harm reductionIntravenous drug abuse