title: Sexual behaviour at the millennium.
authors: Pippa
authors: P
authors: Oakeshott
authors: Brenda
authors: B
authors: Thomas
mesh_terms: D000293:Adolescent; D000328:Adult; D002690:Chlamydia Infections / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control*; D002692:Chlamydia trachomatis / Q000302:isolation & purification; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D015995:Prevalence; D012725:Sexual Behavior; D006113:United Kingdom / Q000453:epidemiology