title: HIV prevalence and underreporting of men who have sex with men in Beijing.
authors.forename: Y-H
authors.initials: YH
authors.lastname: Hsieh
authors.forename: Y
authors.initials: Y
authors.lastname: Ruan
authors.forename: C W S
authors.initials: CW
authors.lastname: Chen
authors.forename: W
authors.initials: W
authors.lastname: Shi
authors.forename: D
authors.initials: D
authors.lastname: Li
authors.forename: F
authors.initials: F
authors.lastname: Luo
authors.forename: Y
authors.initials: Y
authors.lastname: Shao
mesh_terms: D002681:China / Q000453:epidemiology; D015658:HIV Infections / Q000453:epidemiology*; D018451:Homosexuality, Male / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D015995:Prevalence