title: Syphilis in Bristol 1997-8: an update.
mesh_terms: D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D012307:Risk Factors; D017678:Sex Distribution; D013587:Syphilis / Q000175:diagnosis / Q000453:epidemiology*; D006113:United Kingdom / Q000453:epidemiology