Willius, Fredrick Arthur  1888- <br/><br/>
Clinical electrocardiograms:  their interpretation and significance/ 
by Frederick A. Willius 
 - Philadelphia:  W. B. Saunders Company,  1929 
 - 1 p. l., 13-219 p.:  illus;  28cm 
 - Mayo clinic monographs .
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrodiagnosis<br/>Heart--Diseases--Diagnosis