Blowers, Margaret G. <br/><br/>
How to read an ECG / 
M.G. Blowers, R.S. Sims. 
 - 4th ed. 
 - Oradell, N.J. :  Medical Economics Books,  1988. 
 - viii, 72 p. :  ill. ;  25 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0-87489-497-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography<br/>Cardiovascular system--Diseases--Nursing<br/>Electrocardiography