Mahmud, N. U., A. K. Alam, M. A. H. Chawdhury, and M. A. Khair. “Treatment of Pilonidal Sinus by Limberg Flap-Only Hope of Cure (Study of 50 Cases)”. Journal of Surgical Sciences, vol. 22, no. 2, Mar. 2020, pp. 89-94, doi:10.3329/jss.v22i2.44071.