title: beta-Lactamases of subspecies of Bacteroides fragilis.
mesh_terms: D001441:Bacteroides fragilis / Q000201:enzymology*; D002511:Cephalosporins / Q000378:metabolism; D005243:Feces / Q000382:microbiology; D008826:Microbial Sensitivity Tests; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology; D001618:beta-Lactamases / Q000302:isolation & purification / Q000378:metabolism*
chemical_list: D002511:Cephalosporins; D010406:Penicillins; D001618:beta-Lactamases