title: Undocumented epidemics of HIV continue to persist in the twenty-first century.
authors.forename: David D
authors.initials: DD
authors.lastname: Celentano
mesh_terms: D003376:Counseling; D004196:Disease Outbreaks; D015658:HIV Infections / Q000453:epidemiology* / Q000517:prevention & control; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D015995:Prevalence; D012307:Risk Factors; D013785:Thailand / Q000453:epidemiology