Boyer, Mary Jo. <br/><br/>
ECG facts / 
Mary Jo. Boyer. 
 - Pennsylvania :  Lippincott,  1997. 
 - xiv, 268 p.  ill. 
<br/><br/><label>ISBN: </label>0397554613 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECG facts.
<br/><br/><label>LC Class. No.: </label>RC 683.5  / .B69 1997