@inbook{1118411617,
author={Charles A. Czeisler and John W. Winkelman and Gary S. Richardson},
editor={Longo, Dan L. and Kasper, Dennis L. and Jameson, J. Larry and Fauci, Anthony S. and Hauser, Stephen L. and Loscalzo, Joseph},
title={Trastornos del sueño},
booktitle={Harrison. Principios de Medicina Interna, 18e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2012},
url={accessmedicina.mhmedical.com/content.aspx?aid=1118411617}
}