%0 Journal Article %T Regional variations in serotype distribution and vaccination status in children under six years of age with invasive pneumococcal disease in Germany %A Christina Fitzner %A Mark van der Linden %A Matthias Im£¿hl %A Stephanie Perniciaro %J Archive of "PLoS ONE". %D 2019 %R 10.1371/journal.pone.0210278 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6326516/