@inbook{1159799350, author={Eric S. Levy and Christopher J. Haines and Grant Wei}, editor={Reichman, Eric F.}, title={Video Capsule Endoscopy for Gastrointestinal Bleeding}, booktitle={Reichman's Emergency Medicine Procedures, 3e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2018}, url={accessemergencymedicine.mhmedical.com/content.aspx?aid=1159799350} }