@inbook{57015854, author={Anne Y. Lin and James W. Fleshman Jr}, editor={Zinner, Michael J. and Ashley, Stanley W.}, title={Chapter 39. Benign Disorders of the Anorectum (Pelvic Floor, Fissures, Hemorrhoids, and Fistulas)}, booktitle={Maingot's Abdominal Operations, 12e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2013}, url={accesssurgery.mhmedical.com/content.aspx?aid=57015854} }