@inbook{1120699190,
author={Elizabeth Davis, MD and Kimberly J. Powers, MD},
editor={Stone, C. Keith and Humphries, Roger L.},
title={Urgencias gastrointestinales},
booktitle={Diagnóstico y tratamiento en medicina de urgencias, 7e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2015},
url={accessmedicina.mhmedical.com/content.aspx?aid=1120699190}
}