Patterns of sexual mixing: mechanisms for or limits to the spread of STIs?
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D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D011159:Population Surveillance / Q000379:methods; D015995:Prevalence; D012725:Sexual Behavior; D012749:Sexually Transmitted Diseases / Q000208:ethnology / Q000635:transmission*; D012959:Socioeconomic Factors; D006113:United Kingdom / Q000453:epidemiology; D014481:United States / Q000453:epidemiology