title: Has the effectiveness of a single chlamydia test in preventing pelvic inflammatory disease over 12 months been overestimated?
authors.forename: Phillip E
authors.initials: PE
authors.lastname: Hay
authors.forename: Rudiger U J
authors.initials: RU
authors.lastname: Pittrof
mesh_terms: D000293:Adolescent; D002690:Chlamydia Infections / Q000150:complications* / Q000175:diagnosis* / Q000453:epidemiology; D002692:Chlamydia trachomatis; D003362:Cost-Benefit Analysis; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D000292:Pelvic Inflammatory Disease / Q000453:epidemiology / Q000209:etiology* / Q000517:prevention & control*; D012307:Risk Factors; D013997:Time Factors