1. Observations on injuries and diseases of the rectum;Mayo,1833
2. Pilo-nidal sinus;Hodges;Boston Med Surg J,1880
3. Infected pilonidal cysts and sinuses;Casberg;Bull US Army Med Dept,1949
4. Jeep disease (pilonidal disease of mechanized warfare);Buie;South Med J,1944
5. Easy and successful treatment of pilonidal sinus after explanation of its causative process;Karydakis;Aust N Z J Surg,1992