Mohammad Hussain, Manzoor Ali, S.M.Naeem, Nisar Ali, and Muhammad Ismail. “PILONIDAL SINUS DISEASE: COMPARISON OF EXCISION AND PRIMARY CLOSURE VERSES EXCISION AND HEALING BY SECONDARY INTENTION”. Journal of Saidu Medical College, vol. 2, no. 1, May 2012, pp. 134-7, doi:10.52206/jsmc.2012.2.1.134-137.