title: Penicillin-degrading enzymes in sites associated with adult periodontitis.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010400:Penicillin G / Q000037:antagonists & inhibitors*; D010510:Periodontal Diseases / Q000188:drug therapy / Q000201:enzymology*; D001618:beta-Lactamases / Q000032:analysis / Q000494:pharmacology*
chemical_list: D001618:beta-Lactamases; D010400:Penicillin G