title: Context, networks, and sexually transmitted infections:  a study of sex ratios and male incarceration.
authors.forename: Jonathan M
authors.initials: JM
authors.lastname: Ellen
authors.forename: Caroline M
authors.initials: CM
authors.lastname: Fichtenberg
mesh_terms: D005260:Female; D006679:HIV Seropositivity / Q000453:epidemiology*; D006801:Humans; D008297:Male; D011329:Prisoners / Q000706:statistics & numerical data*; D012747:Sexual Partners; D012749:Sexually Transmitted Diseases / Q000453:epidemiology*; D019966:Substance-Related Disorders / Q000453:epidemiology*