title: Demographic effects on sexually transmitted diseases in the 1970s: the problem could be worse.
mesh_terms: D000293:Adolescent; D000328:Adult; D003710:Demography; D005260:Female; D006801:Humans; D008297:Male; D008393:Marriage; D012725:Sexual Behavior; D012749:Sexually Transmitted Diseases / Q000453:epidemiology*; D014481:United States; D014507:Urbanization