de Bruijn, I A <br/><br/>
Annually repeated influenza vaccination improves humoral responses to several influenza virus strains in healthy elderly.  [electronic resource] 

 -  Vaccine   
 - 1323-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0264-410X 
<br/><br/><label>Standard No.: </label>10.1016/s0264-410x(97)00019-4  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Age Factors<br/>Aged<br/>Antibodies, Viral--blood<br/>Hemagglutination Inhibition Tests<br/>Humans<br/>Influenza Vaccines--immunology<br/>Orthomyxoviridae--immunology<br/>Vaccination