RT Journal Article SR Electronic(1) A1 Usonis, V A1 Stacevičienė, I A1 Petraitienė, S A1 Vaičiūnienė, D A1 Alasevičius, T A1 Kirslienė, J YR 2015 T1 Streptococcus pneumoniae nasopharyngeal colonisation in children aged under six years with acute respiratory tract infection in Lithuania, February 2012 to March 2013 JF Eurosurveillance VO 20 IS 13 SP 21079 OP DO https://doi.org/10.2807/1560-7917.ES2015.20.13.21079 UL https://www.eurosurveillance.org/content/10.2807/1560-7917.ES2015.20.13.21079