@inbook{1120251231, author={Javier Bordes Aznar and Carmen Zavala García}, editor={Méndez-Sánchez, Nahum and Esquivel, Misael Uribe}, title={Dolor abdominal}, booktitle={Gastroenterología, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2019}, url={accessmedicina.mhmedical.com/content.aspx?aid=1120251231} }