title: Metronidazole-resistant Bacteroides from untreated patient.
mesh_terms: D000208:Acute Disease; D001064:Appendicitis / Q000382:microbiology*; D001441:Bacteroides fragilis / Q000187:drug effects* / Q000302:isolation & purification; D002648:Child; D004352:Drug Resistance, Microbial; D006801:Humans; D007416:Intestinal Perforation / Q000382:microbiology*; D008297:Male; D008795:Metronidazole / Q000494:pharmacology / Q000627:therapeutic use*
chemical_list: D008795:Metronidazole