1Colak T, Turkmenoglu O, Dag A, et al. A randomized clinical study evaluating the need for drainage after Limberg flap for pilonidal sinus [J]. J Surg Res, 2010, 158(1): 127-131.
2Eryilmaz R, Okan I, Coskun A, et al. Surgical treatment of complicated pilonidal sinus with a fascioeutaneous V-Y advancement flap [J]. Dis Colon Rectum, 2009, 52(12): 2036-2040.