HIV Risk Behavior Patterns, Predictors, and Sexually Transmitted Disease Prevalence in the Social Networks of Young Roma (Gypsy) Men in Sofia, Bulgaria
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J. Kelly | Y. Amirkhanian | W. DiFranceisco | B. Vassilev | E. Petrova | E. Kabakchieva | S. Vassileva | Roman A. Khoursine | T. McAuliffe | R. Antonova | Milena Mihaylova