Manual of echocardiographic techniques 
/ Betty J. Phillips, with the assistance of Vincent E. Friedewald, Jr. 
 - Philadelphia :  Saunders,  1980. 
 - xii, 276 p. :  ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>0721672191 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Echocardiography.<br/>Heart--Diseases--Diagnosis.