GUIMARAES DE CARVALHO, J <br/><br/>
[Vaccination results against smallpox].  [electronic resource] 

 -  Jornal do medico  Mar 1949 
 - 337 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0021-7573 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Smallpox<br/>Vaccination<br/>Variola virus