@inbook{57711695, author={Eric F. Reichman}, title={Chapter 110. Perianal Abscess Incision and Drainage}, booktitle={Emergency Medicine Procedures, 2e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2013}, url={accessemergencymedicine.mhmedical.com/content.aspx?aid=57711695} }