Bhattacharya, Sanjoy <br/><br/>
Expunging variola  The control and eradication of smallpox in India 1947-1977 / 

 - Delhi :  Orient Longman ,  2006. 
 - xv+327 
<br/><br/><label>ISBN: </label>8125030182 
<br/><br/><label>Subjects--Index Terms: </label>Medicine Smallpox