2) Brieley JD, Gospodarowicz MK, Wittekind C (eds) : Union for International Cancer Control. TNM Classification of Malignant Tumours. 8th ed. Wiley Blackwell, Hoboken, 2017
6) The 1988 Bethesda System for Reporting Cervical/Vaginal Cytologic Diagnoses. Developed and approved at a National Cancer Institute Workshop, Bethesda, Maryland, U.S.A., December 12-13, 1988. J Reprod Med 34 : 779-785, 1989
7) Stoler M, Bergeron C, Colgan TJ et al : Squamous cell tumors and precursors. in Kurman RJ, Carcangiu ML, Herrington CS et al (eds) : "WHO Classification of Tumours of Female Reproductive Organs", 4th ed. IARC Press, Lyon, 2014
10) Kurman RJ, Carcangiu ML, Herrington CS et al (eds) : "WHO Classification of Tumours of Female Reproductive Organs", 4th ed. IARC Press, Lyon, 2014
11) Wells M, Ostor AG, Crum CP et al : Epithelial tumours. in Tavassoli FA, Stratton MR (eds) : "WHO Classification of Tumours. Pathology and Genetics of Tumours of the Breast and Female Genital Organs". IARC Press, Lyon, 2003, pp262-279