title: Branhamella catarrhalis and Streptococcus pneumoniae type 9 causing recurrent coalescent mastoiditis.
mesh_terms: D001424:Bacterial Infections / Q000382:microbiology*; D005260:Female; D006801:Humans; D007223:Infant; D008417:Mastoiditis / Q000382:microbiology*; D001936:Moraxella catarrhalis / Q000472:pathogenicity; D011008:Pneumococcal Infections / Q000382:microbiology*; D012008:Recurrence; D013296:Streptococcus pneumoniae / Q000472:pathogenicity; D014774:Virulence