Wieling, W <br/><br/>
Heart rate variability in healthy subjects: effect of age and derivation of normal ranges for tests of autonomic function.  [electronic resource] 

 -  British heart journal  Jan 1987 
 - 109-10 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0007-0769 
<br/><br/><label>Standard No.: </label>10.1136/hrt.57.1.109-a  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age Factors<br/>Heart Function Tests<br/>Heart Rate<br/>Humans<br/>Reference Values