Kumar, R., Hastir, A., Walia, R.S., Goyal, S. and Kaur, A. 2017. Prospective randomized study of surgical treatment of pilonidal sinus; primary midline closure after elliptical excision versus rhomboid excision with limberg flap reconstruction versus open excision and healing by secondary intention. International Surgery Journal. 4, 11 (Oct. 2017), 3646–3651. DOI:https://doi.org/10.18203/2349-2902.isj20174879.