@inbook{1119329038,
author={Vito Rocco and Paul Krivickas},
editor={Tintinalli, Judith E. and Stapczynski, J. Stephan and Ma, O. John and Cline, David M. and Meckler, Garth D. and Cydulka, Rita K.},
title={Estreñimiento agudo y crónico},
booktitle={Tintinalli. Medicina de urgencias, 7e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2013},
url={accessmedicina.mhmedical.com/content.aspx?aid=1119329038}
}