<style face="normal" font="default" size="100%">Effectiveness of influenza vaccination in the United kingdom, 1996-2007</style>

Drupal-Bibcite

31<style face="normal" font="default" size="100%">Effectiveness of influenza vaccination in the United kingdom, 1996-2007</style><style face="normal" font="default" size="100%">Effectiveness of influenza vaccination in the United kingdom, 1996-2007</style>