Papanicolaou TestVaginal SmearsUterine Cervical NeoplasmsLubricantsCervical Intraepithelial NeoplasiaUterine Cervical DysplasiaColposcopyEndometrial HyperplasiaPapillomavirus InfectionsMass ScreeningPapillomaviridaeCervix UteriPreventive Health ServicesMammographyEndometrial NeoplasmsSensitivity and SpecificityDNA, ViralCytodiagnosisUnited StatesNeoplasms, Squamous CellFalse Negative ReactionsHematoxylinVaginal NeoplasmsCervix MucusHistocytological Preparation TechniquesTumor Virus InfectionsAlphapapillomavirusAzure StainsDiagnostic ErrorsVaginal Creams, Foams, and JelliesMicrotomyBiopsyStaining and Labeling