MCLEAN, D M <br/><br/>
Smallpox in Toronto, 1962.  [electronic resource] 

 -  Canadian Medical Association journal  Oct 1962 
 - 772-3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0008-4409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Brazil<br/>Humans<br/>Male<br/>Smallpox<br/>Smallpox Vaccine<br/>Vaccination<br/>Vaccinia<br/>Vaccinia virus<br/>Variola virus