"Prabhakara, G N" <br/><br/>
Short Textbook of Preventive and Social Medicine 

 - \\201002ENGGPSX 
 - Arora Medical Book Publishers   2010  New Delhi  
 - 425 p. 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>9.79E+12