Scherf David <br/><br/>
Atrioventricular node : And selected cardiac arrhythmias 

 -  1964 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>71512 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heart disease
<br/><br/><label>Dewey Class. No.: </label>L32:4, K41