@inbook{1159599634,
author={Bruce M. Lo},
editor={Tintinalli, Judith E. and Stapczynski, J. Stephan and Ma, O. John and Yealy, Donald M. and Meckler, Garth D. and Cline, David M.},
title={Hemorragia de tubo digestivo bajo},
booktitle={Tintinalli. Medicina de urgencias, 8e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2018},
url={accessmedicina.mhmedical.com/content.aspx?aid=1159599634}
}