1. Risks and benefits of estrogen plus progestin in healthy postmenopausal women: principal results from the women's health initiative randomized controlled trial;Writing Group for the Women's Health Initiative Investigators;JAMA,2002
2. The diagnostic significance of parabasal cells;Batrinos;Acta Cytol,1975
3. Evaluation of the endocrinologic condition of the female genital tract by exfoliative cytology;Wied,1997
4. The cytology of pregnancy;Von Haam;Acta Cytol,1961
5. Spectrum of cytologic changes in pregnancy. A review of 100 abnormal cervicovaginal smears, with emphasis on diagnostic pitfalls;Pisharodi;Acta Cytol,1995