RT Journal Article SR Electronic(1) A1 Wiese-Posselt, M A1 Hellenbrand, W A1 Siedler, A A1 Mayer, C YR 2006 T1 Universal childhood immunisation with pneumococcal vaccine and meningococcal serogroup C vaccine introduced in Germany JF Weekly releases (1997–2007) VO 11 IS 36 SP 3041 OP DO https://doi.org/10.2807/esw.11.36.03041-en UL https://www.eurosurveillance.org/content/10.2807/esw.11.36.03041-en