@inbook{1120486587, author={Pablo A. Bejarano}, editor={Valencia Mayoral, Pedro Francisco and Ancer Rodríguez, Jesús}, title={Patología del tracto gastrointestinal}, booktitle={Patología}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accessmedicina.mhmedical.com/content.aspx?aid=1120486587} }