Olusegun, A. P., S. A. Adeola, A. Isaac, N. Williams, and A. V. Feyikemi. “Cytological Assessment of Vaginal Epithelial Cells in Undergraduate Females of Reproductive Age in Ogun State, South-West Nigeria”. Advances in Research, Vol. 21, no. 10, Oct. 2020, pp. 46-53, doi:10.9734/air/2020/v21i1030251.