Engel, T R <br/><br/>
Reproducibility of the signal-averaged electrocardiogram.  [electronic resource] 

 -  American heart journal  Dec 1991 
 - 1652-60 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-8703 
<br/><br/><label>Standard No.: </label>10.1016/0002-8703(91)90283-n  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Analog-Digital Conversion<br/>Analysis of Variance<br/>Confidence Intervals<br/>Electrocardiography--instrumentation<br/>Female<br/>Fourier Analysis<br/>Heart Rate<br/>Humans<br/>Male<br/>Middle Aged<br/>Reference Values<br/>Reproducibility of Results<br/>Time Factors