@inbook{57016543,
author={Joshua I. S. Bleier and Najjia N. Mahmoud and Robert D. Fry},
editor={Zinner, Michael J. and Ashley, Stanley W.},
title={Chapter 42. Cancer of the Anus},
booktitle={Maingot's Abdominal Operations, 12e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2013},
url={accesssurgery.mhmedical.com/content.aspx?aid=57016543}
}