title: Beta-lactamase resistance of black-pigmented Bacteroides in gingival plaques of Egyptian children.
mesh_terms: D000293:Adolescent; D001439:Bacteroides / Q000201:enzymology*; D002648:Child; D003773:Dental Plaque / Q000382:microbiology*; D004534:Egypt; D006801:Humans; D010403:Penicillin Resistance; D001618:beta-Lactamases / Q000096:biosynthesis*
chemical_list: D001618:beta-Lactamases