@inbook{1118116827, author={Christopher C. Thompson, MD, MSc}, editor={Greenberger, Norton J. and Blumberg, Richard S. and Burakoff, Robert}, title={Cuerpos extraños en el tubo digestivo}, booktitle={Diagnóstico y tratamiento en gastroenterología, hepatología y endoscopia}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accessmedicina.mhmedical.com/content.aspx?aid=1118116827} }