@inbook{8763541,
author={Phyllis K. Stein and Panagiotis Pantazopoulos},
editor={Pahlm, Olle and Wagner, Galen S.},
title={Chapter 16. Graphical Analysis of Heart Rate Patterns to Assess Cardiac Autonomic Function},
booktitle={Multimodal Cardiovascular Imaging: Principles and Clinical Applications},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2011},
url={accessmedicine.mhmedical.com/content.aspx?aid=8763541}
}