"Park, K." <br/><br/>
Text book of Preventive and social medicine 

 - 18 th ed. 
 - Jabalpur  Banarsidas Bhanot  2005 
 - 711p. 
<br/><br/><label>ISBN: </label>8190128280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine
<br/><br/><label>Dewey Class. No.: </label>610 PAR