Dhama, V., R. Chaudhary, S. Singh, and M. Singh. “Evaluation of Pelvic Organ Prolapse by Standardized POP Q System for Vaginal Hysterectomy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 6, no. 6, May 2017, pp. 2584-8, doi:10.18203/2320-1770.ijrcog20172356.