BibTex format
@article{Tavitian-Exley:2017:10.1007/s10461-017-1836-0,
author = {Tavitian-Exley, I and Boily, MARIE-CLAUDE and Maheu-Giroux, M and Heimer, R and Uusküla, A and Levina, O},
doi = {10.1007/s10461-017-1836-0},
journal = {AIDS and Behavior},
pages = {1329--1340},
title = {Polydrug use and heterogeneity in HIV risk among people who inject drugs in Estonia and Russia: a latent class analysis},
url = {http://dx.doi.org/10.1007/s10461-017-1836-0},
volume = {22},
year = {2017}
}