@inbook{1120257433,
author={Gilberto Gómez Garza and Manuel Guerrero Hernández and Enrique Rojas Herrera},
editor={Méndez-Sánchez, Nahum and Esquivel, Misael Uribe},
title={Ultrasonido en enfermedad gastrointestinal},
booktitle={Gastroenterología, 2e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2019},
url={accessmedicina.mhmedical.com/content.aspx?aid=1120257433}
}