@inbook{57019163,
author={Douglas W. Hanto},
editor={Zinner, Michael J. and Ashley, Stanley W.},
title={Chapter 53A. Perspective on Biliary Surgery},
booktitle={Maingot's Abdominal Operations, 12e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2013},
url={accesssurgery.mhmedical.com/content.aspx?aid=57019163}
}