@inbook{3027370, author={Anne M. Rompalo, MD}, editor={Klausner, Jeffrey D. and Hook, Edward W.}, title={Chapter 9. Proctitis & Proctocolitis}, booktitle={CURRENT Diagnosis & Treatment of Sexually Transmitted Diseases}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2007}, url={accessmedicine.mhmedical.com/content.aspx?aid=3027370} }