Who. <br/><br/>
Manual of Diagnostic ultrasound   Textual Documents 

 - 2nd ed. . 
 -  W.H.O.  2013 
 - 519. 
<br/><br/><label>ISBN: </label>9789241548540   
<br/><br/><label>Dewey Class. No.: </label>616.0757  / WHO