Bhatnagar, K., and K. Baghel. “Epidemiology of Patients With Bad Cervix Attending Gynaecology OPD of a Tertiary Care Centre in Western Uttar Pradesh, India”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 6, no. 3, Feb. 2017, pp. 791-6, doi:10.18203/2320-1770.ijrcog20170471.