@inbook{1137618695,
author={Lauren Colbert and Andrew S. Epstein},
editor={McKean, Sylvia C. and Ross, John J. and Dressler, Daniel D. and Scheurer, Danielle B.},
title={Gastrointestinal Cancers},
booktitle={Principles and Practice of Hospital Medicine, 2e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2017},
url={accessmedicine.mhmedical.com/content.aspx?aid=1137618695}
}