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Kronenberg, Andreas; Zucs, Phillip; Droz, Sara; Mühlemann, Kathrin (2006). Distribution and invasiveness of Streptococcus pneumoniae serotypes in Switzerland, a country with low antibiotic selection pressure, from 2001 to 2004. Journal of clinical microbiology, 44(6), pp. 2032-8. Washington, D.C.: American Society for Microbiology 10.1128/JCM.00275-06
