De Luca d'Alessandro, E <br/><br/>
[The control of infectious diseases: obligatory or optional vaccination? Poliomyelitis: towards eradication?].  [electronic resource] 

 -  Annali di igiene : medicina preventiva e di comunita   
 - 355-64 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>1120-9135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Italy<br/>Poliomyelitis--epidemiology<br/>Poliovirus Vaccines