@inbook{1179970242, author={Kenneth R. McQuaid}, editor={Papadakis, Maxine A. and McPhee, Stephen J. and Rabow, Michael W.}, title={Trastornos de la motilidad esofágica}, booktitle={Diagnóstico clínico y tratamiento 2021}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2021}, url={accessmedicina.mhmedical.com/content.aspx?aid=1179970242} }