Isolation of beta-lactamase-producing Bacteroides strains associated with clinical failures with penicillin treatment of human orofacial infections.

Abscess/drug therapy,microbiology Adult Anti-Bacterial Agents/pharmacology Bacteroides/drug effects,enzymology,isolation & purification Female Humans Male Middle Aged Mouth Diseases/drug therapy,microbiology Penicillin Resistance Penicillin V/therapeutic use beta-Lactamases/metabolism

Anti-Bacterial Agents beta-Lactamases Penicillin V