The global eradication of smallpox :  final report of the Global Commission for the Certification of Smallpox Eradication, Geneva, December 1979 / 
by World Health Organization. 
 - Geneva :  World Health Organization,  1980. 
 - 122 p. :  ill. ;  30 cm. 
 - History of international public health ;  no. 4 .
<br/><br/><label>ISBN: </label>9241560657 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smallpox vaccine.<br/>Smallpox--Prevention and control.
<br/><br/><label>National Library of Medicine Call No.: </label>WC588  / .W928g 1980 9