title: Cervical cytology EQA--the Northern experience.
authors.forename: H
authors.initials: H
authors.lastname: Llewellyn
mesh_terms: D002584:Cervix Uteri / Q000473:pathology*; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D009313:National Health Programs / Q000592:standards; D015588:Observer Variation; D017410:Practice Guidelines as Topic / Q000592:standards*; D015397:Program Evaluation / Q000592:standards; D011786:Quality Control; D012015:Reference Standards; D018709:Statistics, Nonparametric; D006113:United Kingdom; D002577:Uterine Cervical Diseases / Q000175:diagnosis* / Q000473:pathology*; D014626:Vaginal Smears / Q000592:standards*