beta-Lactamase-producing anaerobes.
D000693:Anaerobiosis; D001419:Bacteria / Q000187:drug effects / Q000378:metabolism*; D002648:Child; D006801:Humans; D008795:Metronidazole / Q000494:pharmacology / Q000627:therapeutic use; D014066:Palatine Tonsil / Q000382:microbiology; D013297:Streptococcus pyogenes / Q000187:drug effects; D014069:Tonsillitis / Q000188:drug therapy; D001618:beta-Lactamases / Q000096:biosynthesis*
D008795:Metronidazole; D001618:beta-Lactamases