Scherf, David <br/><br/>
Extrasystoles and allied arrhythmias / 
By David Scherf and Adolf Schott 
 - 2nd ed. 
 - London :  William Heinemann Medical Books,  1973 
 - 1041 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0433293519 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extrasystole<br/>Arrhythmia