@conference{328779720b6d4ea58677296b01d60db8,
title = "Effect of 2 versus 3 PCV7 on nasopharyngeal carriage, transmission and herd immunity; a randomized controlled study.",
author = "\{van Gils\}, E.J.M. and R.H. Veenhoven and E. Hak and E.P.F. IJzerman and G.T. Rijkers and E.A.M. Sanders",
note = "IEA-EEF European Congress of Epidemiology 2006, Epidemiology and Health; IEA-EEF European Congress of Epidemiology 2006, Epidemiology and Health ; Conference date: 28-06-2006 Through 01-07-2006",
year = "2006",
month = jun,
day = "28",
language = "Undefined/Unknown",
}