Lancaster KE, Hoffman IF, Hanscom B, Ha TV, Dumchev K, Susami H, Rose S, Go VF, Reifeis SA, Mollan KR, Hudgens MG, Piwowar-Manning EM, Richardson P, Dvoriak S, Djoerban Z, Kiriazova T, Zeziulin O, Djauzi S, Ahn CV, Latkin C, Metzger D, Burns DN, Sugarman J, Strathdee SA, Eshleman SH, Clarke W, Donnell D, Emel L, Sunner LE, McKinstry L, Sista N, Hamilton EL, Lucas JP, Duong BD, Van Vuong N, Sarasvita R, Miller WC. Regional differences between people who inject drugs in an HIV prevention trial integrating treatment and prevention (HPTN 074): a baseline analysis. J Int AIDS Soc. 2018 Oct; 21(10):e25195.