RT Journal Article SR Electronic(1) A1 Houweling, H YR 2002 T1 Advice on universal vaccination of infants against both group C meningococci and pneumococci in the Netherlands JF Weekly releases (1997–2007) VO 6 IS 5 SP 2016 OP DO https://doi.org/10.2807/esw.06.05.02016-en UL https://www.eurosurveillance.org/content/10.2807/esw.06.05.02016-en