@article{articlef6b55576,
title   = {Retention, engagement, and adherence to pre-exposure prophylaxis for men who have sex with men and transgender women in PrEP Brasil: 48 week results of a demonstration study},
author = {Grinsztejn, Beatriz and Kallas, Esper G.},
year = {2018},
doi = {10.1016/S2352-3018(18)30008-0},
journal   = {Lancet hiv}
}