Raju, K., S. Punnayanapalya, and N. Mariyappa. “Significance of P53, PRb and Ki-67 Markers in Cervical Intraepithelial Lesion and Malignancy”. Biomedical Research and Therapy, Vol. 2, no. 10, Oct. 2015, pp. 374-8, http://bmrat.org/index.php/BMRAT/article/view/65.