@inbook{1128357091,
author={Robert J. Mayer},
editor={Longo, Dan L.},
title={GASTROINTESTINAL TRACT CANCER},
booktitle={Harrison's Hematology and Oncology, 2e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2013},
url={hemonc.mhmedical.com/content.aspx?aid=1128357091}
}