W. H. O ,   . <br/><br/>
International Statistical Cassificatin of Diseases & Related Health Problems Tenth Revision VOL-2 /   Textual Documents 

 -    ,   1993. 
 - 468 ;    
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Preventive and Social Medicine  Medical Science 
<br/><br/><label>Dewey Class. No.: </label>614  / WHO