O'Keefe, James H., <br/><br/>
The complete guide to ECGs / 
Dr. James H. O'Keefe, Dr. Stephen C. Hammill, Dr. Mark S. Freed. 
 - Fifth edition. 
 - xii, 613 pages :  illustrations ;  21 cm. 
<br/><br/><label>ISBN: </label>9781284199055  RM517.70 (PPUKM). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Examination Questions.