@inbook{1151658875,
author={Omar Vergara Fernández and Juan Jacobo Martínez Zárate},
editor={Méndez-Sánchez, Nahum},
title={Otras patologías anorrectales},
booktitle={Gastroenterología, 3e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2018},
url={accessmedicina.mhmedical.com/content.aspx?aid=1151658875}
}