Burch, George E. <br/><br/>
A primer of electro cardiography/ 
George E. Burch and Travis winsor 
 - 4th ed 
 - Philadelphia:  Lea & Febiger,  c1960 
 - 293 p.:  286 ill.;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>607225 (LC) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography<br/>Heart--Diseases--Diagnosis<br/>Heart--Electic properties
<br/><br/><label>Dewey Class. No.: </label>616.12075