title: Syphilis prevalence among unregistered prostitutes in Istanbul, Turkey.
authors.forename: A
authors.initials: A
authors.lastname: Agacifidan
authors.forename: S
authors.initials: S
authors.lastname: Badur
authors.forename: O
authors.initials: O
authors.lastname: Gerikalmaz
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D009784:Occupational Diseases / Q000453:epidemiology* / Q000208:ethnology; D015995:Prevalence; D012383:Romania / Q000208:ethnology; D011477:Sex Work; D013587:Syphilis / Q000453:epidemiology* / Q000208:ethnology; D014189:Transsexualism; D014421:Turkey / Q000453:epidemiology