@inbook{1118118732, author={Norton J. Greenberger and Richard S. Blumberg and Robert Burakoff}, title={Suplementaria Imagen}, 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=1118118732} }