Heart rate variability (HRV) signal analysis :  clinical applications / 
edited by Markad V. Kamath, Mari A. Watanabe, Adrian R. M. Upton. 
 - Boca Raton :  CRC Press,  2013. 
 - xviii, 513 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781439849804 (hardback)  RM493.20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heart Rate--physiology.<br/>Data Interpretation, Statistical.<br/>Signal Processing, Computer-Assisted.<br/>Autonomic Nervous System--physiology.<br/>Heart function tests.