TrialJournal of acquired immune deficiency syndromes (1999)2012

Sexual risk behaviors, circumcision status, and preexisting immunity to adenovirus type 5 among men who have sex with men participating in a randomized HIV-1 vaccine efficacy trial: step study.

Beryl A Koblin et al.PubMed ↗Full text ↗Publisher ↗

No numbers read from the abstract.