Guide to the laboratory diagnosis of smallpox :  for smallpox erad ication programmes. 

 - Geneva :  World Health Organization,  1969. 
 - 46 p. :  ill., plates ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smallpox<br/>Diagnosis, Laboratory
<br/><br/><label>National Library of Medicine Call No.: </label>WHO  / WC 585  G942  1969