Rowlands, A. <br/><br/>
The ECG workbook. 3rd ed. 

 - 3 
 - Keswick :  M&K Publishing  2014 
<br/><br/><label>ISBN: </label>9781905539864 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography. Vectorcardiography. Monitoring (General)