The Global Eradication of smallpox 

 - New Delhi  Orient Blackswan Private Limited  2010 
 - 215p 
<br/><br/><label>ISBN: </label>9788125039815 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smallpox -- history.<br/>Smallpox -- Prevention.
<br/><br/><label>Dewey Class. No.: </label>614.521  / GLO