@conference{50debcff5e1e4129a1e87f5a923690dc,
title = "Effect of pneumococcal vaccination on nasopharyngeal carriage and acute otitis media in children with recurrent otitis media",
keywords = "Econometric and Statistical Methods: General, Geneeskunde (GENK), Clinical sciences, Geneeskunde(GENK), Bescherming en bevordering van de menselijke gezondheid",
author = "R.H. Veenhoven and C.N.M. Brouwer and A.G.M. Schilder and D. Bogaert and P.W.M. Hermans and \{de Groot\}, R. and C.S.P.M. Uiterwaal and B.J.M. Zegers and W. Kuis and G.T. Rijkers and E.A.M. Sanders",
year = "2002",
language = "Undefined/Unknown",
pages = "131--131",
note = "Unknown event ; Conference date: 01-01-2004",
}