Lear, Martha Weinman. <br/><br/>
Heartsounds / 
Martha Weinman Lear. 
 - New York :  Simon and Schuster,  c1980. 
 - 413 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>0671243292 
<br/><br/><label>LCCN: </label>79023100  
<br/><br/><label>LC Class. No.: </label>RC685.I6  / L397 
<br/><br/><label>Dewey Class. No.: </label>362.1/9/61209  B