@inbook{55959863,
author={Christopher C. Thompson, MD, MSc, FACG, FASGE},
editor={Greenberger, Norton J. and Blumberg, Richard S. and Burakoff, Robert},
title={Chapter 34. Gastrointestinal Foreign Bodies},
booktitle={CURRENT Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy, 2e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2012},
url={accessmedicine.mhmedical.com/content.aspx?aid=55959863}
}