@inbook{1151653462, author={Manuel Antonio Gatica Figueroa}, editor={Méndez-Sánchez, Nahum}, title={Hemorragia gastrointestinal}, booktitle={Gastroenterología, 3e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2018}, url={accessmedicina.mhmedical.com/content.aspx?aid=1151653462} }