Schumacher, W <br/><br/>
[Letter: The value of smallpox vaccination].  [electronic resource] 

 -  Munchener medizinische Wochenschrift (1950)  Oct 1973 
 - 1858 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0027-2973 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smallpox--prevention & control<br/>Smallpox Vaccine--adverse effects<br/>World Health Organization