Clark, Ralph D. <br/><br/>
Case studies in echocardiography  a diagnostic workbook 
By Ralph D. Clark, with the assistance of John S. Edelen 
 - Philadelphia  Saunders  1977 
 - ix, 334 p. : ill. ; 27 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0721625940 
<br/><br/><label>LCCN: </label>76-001212 //r82 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Echocardiography--Case studies