@conference{78df4d48dffd4b1eb0c8966ec0107baa,
title = "Pneumococcal colonization and the outcome of vaccination in otitis prone children",
keywords = "Econometric and Statistical Methods: General, Clinical sciences, Geneeskunde(GENK), Bescherming en bevordering van de menselijke gezondheid",
author = "Dhooge, {I. J.} and M.J.P. Kempen and R.H. Veenhoven and {van Schaijk}, M. and A.G.M. Schilder and E.A.M. Sanders and G.T. Rijkers",
year = "2003",
month = jun,
day = "3",
language = "Undefined/Unknown",
note = "Unknown event ; Conference date: 03-06-2003 Through 07-06-2003",
}