1. Pilonidal sinus—or ‘jeep disease’;Patey;Nurs Times,1971
2. Pilonidal sinus of the umbilicus;Allegaert;Br J Clin Pract,1967
3. Pilonidal disease of the chest wall;Saggar;J Ir Med Assoc,1967
4. Pilonidal sinus of the anal canal: report of a case;Wilson;Dis Colon Rectum,1971
5. A pilonidal sinus of the ear;Woodward;Aust N Z J Surg,1965