Couch, R B <br/><br/>
Challenge studies.  [electronic resource] 

 -  Developments in biologicals  2003 
 - 119-21 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1424-6074 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Influenza Vaccines--administration & dosage<br/>Influenza, Human--immunology