Influenza Vaccination Effectiveness Is Not Proven in Younger Individuals at Risk

  • Hak, Eelko MSc, PhD
  • Buskens, Erik MD, PhD
  • Verheij, Theo J. M. MD, PhD

Correspondence: Mr Hak, Julius Center for Health Sciences and Primary Care, University of Medical Centre Utrecht, PO Box 85500, 3508 GA Utrecht, the Netherlands ([email protected]).

Archives of Internal Medicine 165(16):p 1922, September 12, 2005.
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