DINGER, J E <br/><br/>
[The smallpox problem].  [electronic resource] 

 -  Nederlands tijdschrift voor geneeskunde  Apr 1950 
 - 1224-30 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-2162 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Smallpox