@inbook{1102567696,
author={Brian S. Freeman, MD},
editor={Freeman, Brian S. and Berger, Jeffrey S.},
title={Stages and Signs of General Anesthesia},
booktitle={Anesthesiology Core Review: Part One Basic Exam},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2014},
url={accessanesthesiology.mhmedical.com/content.aspx?aid=1102567696}
}