Goyal, S., M. K. Singhal, K. Yadav, R. Agrawal, and N. Sharma. “A Study on Cervical Screening by PAP Smear and Correlation With Microbiological and Clinical Finding”. International Journal of Health and Clinical Research, vol. 4, no. 5, Mar. 2021, pp. 280-3, https://www.ijhcr.com/index.php/ijhcr/article/view/1134.