1. Pilonidal sinus disease. The conservative approach;Armstrong;Arch.Surg,1994
2. Pilonidal disease in Singapore;Lee;Aust N Z J Surg,2000
3. Complications after surgery for pilonidal cyst. An introduction to a new debate on a “costly” disease;Zieger;Ugeskr Laeger,1999
4. Primary closure techniques in chronic pilonidal sinus;Petersen;Dis Colon Rectum,2002
5. Treatment of chronic pilonidal disease;Spivak;Dis Colon Rectum,1996