Muhammad Waqas Raza, Syed Fahad Ali Zaidi, Afzaal Amin Mughal, Haroon Rasheed, Aurangzeb Khan, Saleem Shahzad Gondal, Waseem Iqbal Sheikh 2012. Limberg Flap for Pilonidal Sinus. Journal of Rawalpindi Medical College. 16, 2 (Dec. 2012).