Kremkau, Frederick W., <br/><br/>
Sonography :  principles and instruments / 
Frederick W. Kremkau. 
 - Ninth edition. 
 - xiii, 288 pages :  illustrations (some color) ;  29 cm. 
<br/><br/> In process PDAL 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780323322713  RM 438.90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ultrasonography--methods.<br/>Ultrasonography--instrumentation.