Murakawa, Y <br/><br/>
Parasympathetic activity is a major modulator of the circadian variability of heart rate in healthy subjects and in patients with coronary artery disease or diabetes mellitus.  [electronic resource] 

 -  American heart journal  Jul 1993 
 - 108-14 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-8703 
<br/><br/><label>Standard No.: </label>10.1016/s0002-8703(07)80016-0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Autonomic Nervous System--physiology<br/>Circadian Rhythm<br/>Coronary Disease--physiopathology<br/>Diabetes Mellitus--physiopathology<br/>Electrocardiography--methods<br/>Female<br/>Heart Rate--physiology<br/>Humans<br/>Male<br/>Middle Aged<br/>Parasympathetic Nervous System--physiology<br/>Signal Processing, Computer-Assisted