title: Where have all the men gone? Chlamydia infection in men.
authors.forename: Chris
authors.initials: C
authors.lastname: Butler
mesh_terms: D002690:Chlamydia Infections / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D017678:Sex Distribution; D006113:United Kingdom / Q000453:epidemiology