title: Factors affecting antimicrobial agents in an anaerobic abscess.
mesh_terms: D000038:Abscess / Q000188:drug therapy* / Q000382:microbiology; D000693:Anaerobiosis; D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D001441:Bacteroides fragilis / Q000187:drug effects; D006801:Humans; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology; D001618:beta-Lactamases / Q000378:metabolism*
chemical_list: D000900:Anti-Bacterial Agents; D010406:Penicillins; D001618:beta-Lactamases