title: Quality assurance in cervical cytopathology.
authors.forename: H
authors.initials: H
authors.lastname: Llewellyn
mesh_terms: D005260:Female; D006801:Humans; D011786:Quality Control; D002583:Uterine Cervical Neoplasms / Q000473:pathology / Q000517:prevention & control*; D014626:Vaginal Smears / Q000592:standards*