title: Possible role of anaerobic bacteria in the persistence of streptococcal tonsillar infection.
mesh_terms: D000693:Anaerobiosis; D018407:Bacterial Physiological Phenomena; D001439:Bacteroides / Q000502:physiology; D006801:Humans; D010403:Penicillin Resistance; D013290:Streptococcal Infections / Q000382:microbiology*; D013297:Streptococcus pyogenes / Q000502:physiology; D014069:Tonsillitis / Q000382:microbiology*