Uusküla, Anneli, Mait Raag, Cinta Folch, Leoni Prasad, Anda Karnite, Maaike G. van Veen, Ksenia Eritsyan, Magdalena Rosinska, Don C. Des Jarlais, and Lucas Wiessing. "Self-reported testing, HIV status and associated risk behaviours among people who inject drugs in Europe: important differences between East and West." AIDS (London, England) 28, no. 11 (2014): 1657-64.