Laiken, Nora,  1946- <br/><br/>
Interpretation of electrocardiograms :  a self-instructional approach / 
Nora Laiken, Stuart L. Laiken, Joel S. Karliner : 
 - New York :  Appleton-Century-Crofts,  1978 
 - 207 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0838540473 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography--Programmed instruction<br/>Vectorcardiography--programmed instruction