R, R.K., Chigateri, S., Kamat, L. and Divya, D. 2018. Surgical management of chronic fourth degree perineal tear: a single center experience. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 7, 12 (Nov. 2018), 4919–4923. DOI:https://doi.org/10.18203/2320-1770.ijrcog20184940.