Subramanyam, B. R., and H. Garlapati. “Comparative Study of Pap Smear and Colposcopy Guided Biopsy in a District Medical College”. International Journal Of Community Medicine And Public Health, vol. 7, no. 1, Dec. 2019, pp. 279-82, doi:10.18203/2394-6040.ijcmph20195867.