Ritvo, Paul <br/><br/>
A Canadian national survey of attitudes and knowledge regarding preventive vaccines.  [electronic resource] 

 -  Journal of immune based therapies and vaccines  Nov 2003 
 - 3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1476-8518 
<br/><br/><label>Standard No.: </label>10.1186/1476-8518-1-3  doi