Roy, Santilal.  <br/><br/>
A handbook of preventive & social medicine / 
Santilal Roy. 
 - 1st ed. 
 - Calcutta :  Academic,  c 1962. 
 - viii, 344 p. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>346  346 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Preventive Medicine.
<br/><br/><label>Dewey Class. No.: </label>614.4402 / S59h