Ratan ,V. <br/><br/>
Hand book of preventive and social medicine, 

 - 2 
 -  JPB  1994 
 - 376,P.  NO 
<br/><br/><label>ISBN: </label>8171793800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comm Med
<br/><br/><label>Dewey Class. No.: </label>614.4  / RAT