Valvular heart disease / 
edited by James E. Dalen and Joseph S. Alpert. 
 - Boston  Little Brown & Co.  1981. 
 - 473 p. :   ill. ;   25 cm. 
<br/><br/><label>ISBN: </label>0316171700 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heart valve diseases