PLoS One
http://www.plosone.org/
[Accessed 27 Feb 2021]
Impact of pneumococcal conjugate vaccine on invasive pneumococcal disease in children under 5 years of age in the Czech Republic
Jana Kozakova, Pavla Krizova, Marek Maly
Research Article | published 26 Feb 2021 PLOS ONE
https://doi.org/10.1371/journal.pone.0247862
