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. 2018 Sep 25;18:478. doi: 10.1186/s12879-018-3398-9

Fig. 2.

Fig. 2

Serotype distribution for 55 pneumococcal isolates obtained during AOM and post-treatment visits. (AOM, acute otitis media; MEF, middle ear fluid; NP, nasopharyngeal; OP, oropharyngeal)