@inbook{6670231,
author={Michael Y. M. Chen, MD},
editor={Chen, Michael Y.M. and Pope, Thomas L. and Ott, David J.},
title={Chapter 8. Plain Film of the Abdomen},
booktitle={Basic Radiology, 2e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2011},
url={accessmedicine.mhmedical.com/content.aspx?aid=6670231}
}