Nithya R, Rajalekshmi M, and Nasreen Banu M. “Comparison of Downstaging, Pap Smear, Colposcopy and Colpo-Directed Biopsy in the Detection of Cancer Cervix”. International Journal of Research in Pharmaceutical Sciences, vol. 13, no. 3, Sept. 2022, pp. 318-29, doi:10.26452/ijrps.v13i3.2498.