title: Quality control in Papanicolaou tests.
authors.forename: Mitchell
authors.initials: M
authors.lastname: Wachtel
mesh_terms: D005188:False Negative Reactions; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D065006:Papanicolaou Test; D011785:Quality Assurance, Health Care / Q000379:methods* / Q000592:standards; D015203:Reproducibility of Results; D002583:Uterine Cervical Neoplasms / Q000517:prevention & control; D014626:Vaginal Smears