title: Relationship of beta-lactamase production to growth phase in Bacteroides species.
mesh_terms: D001439:Bacteroides / Q000201:enzymology*; D002440:Cefoxitin / Q000494:pharmacology; D001618:beta-Lactamases / Q000096:biosynthesis*
chemical_list: D002440:Cefoxitin; D001618:beta-Lactamases