Berry, M., Wirtz, A. L., Janayeva, A., Ragoza, V., Terlikbayeva, A., Amirov, B., . . . Beyrer, C. (2012). Risk Factors for HIV and Unprotected Anal Intercourse among Men Who Have Sex with Men (MSM) in Almaty, Kazakhstan. Public Library of Science.

Berry, Mark, Andrea L. Wirtz, Assel Janayeva, Valentina Ragoza, Assel Terlikbayeva, Bauyrzhan Amirov, Stefan Baral, i Chris Beyrer. Risk Factors for HIV and Unprotected Anal Intercourse Among Men Who Have Sex With Men (MSM) in Almaty, Kazakhstan. Public Library of Science, 2012.

Berry, Mark, et al. Risk Factors for HIV and Unprotected Anal Intercourse Among Men Who Have Sex With Men (MSM) in Almaty, Kazakhstan. Public Library of Science, 2012.