1. Grucela A, Salinas H, Khaitov S, et al.: Prospective analysis of clinician accuracy in the diagnosis of benign anal pathology: comparison across specialties and years of experience. Dis Colon Rectum 2010, 53:47–52.
2. Welton ML, Varma MG: Anal cancer. In The ASCRS Textbook of Colon and Rectal Surgery. Edited by Wolff BG, Fleshman JW, Beck DE, et al. New York: Springer; 2007:482–500.
3. • Juviler A, Hyman N: Anorectal sepsis and fistula-in-ano. Surg Technol Int 2008, 17:139–149. This article is a nice recent summary of the diagnosis and management of perirectal abscesses and fistula in ano.
4. DeVos W: Fistula in ano, abscess, pilonidal cyst, and hidradenitis suppurativa. American Society of Colon and Rectal Surgeons Core Subjects 2000. Available at http://www.fascrs.org/physicians/education/core_subjects . Accessed March 2010.
5. Corman ML (1993) Anorectal abscess and anal fistula. In Colon and Rectal Surgery. Philadelphia: Lippincott, 133–187.