@conference{d870e123540641c7af02a5d5afe906b3,
title = "Effect of pneumococcal vaccination on acute otitis media and nasopharyngeal carriage in children with recurrent otitis media",
keywords = "Econometric and Statistical Methods: General, Clinical sciences, Geneeskunde(GENK), Bescherming en bevordering van de menselijke gezondheid",
author = "R.H. Veenhoven and A.G.M. Schilder and G.T. Rijkers and E.A.M. Sanders",
year = "2003",
month = jun,
day = "3",
language = "Undefined/Unknown",
note = "Unknown event ; Conference date: 03-06-2003 Through 07-06-2003",
}