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1 Summanen P, "Wadsworth anaerobic bacteriology manual. 5th ed" Star Publishing 1993
2 Dubreuil L, "Survey of the susceptibility patterns of Bacteroides fragilis group strains in France from 1977 to 1992" 11 : 1094-1099, 1992
3 Betriu C, "Resistance trends of the Bacteroides fragilis group over a 10-year period, 1997 to 2006, in Madrid, Spain" 52 : 2686-2690, 2008
4 ann B, "Reemergence of anaerobic bacteremia" 44 : 895-900, 2007
5 Khushi T, "Production of metal dependent beta-lactamases by clinical strains of Bacteroides fragilis isolated before 1987" 37 : 345-350, 1996
6 Snydman DR, "National survey on the susceptibility of Bacteroides fragilis group: report and analysis of trends in the United States from 1997 to 2004" 51 : 1649-1655, 2007
7 Snydman DR, "National survey on the susceptibility of Bacteroides Fragilis Group: report and analysis of trends for 1997-2000" 35 (35): S126-S134, 2002
8 Brazier JS, "Metronidazole resistance among clinical isolates belonging to the Bacteroides fragilis group: time to be concerned?" 44 : 580-581, 1999
9 Clinical Laboratory Standards Institute, "Methods for antimicrobial susceptibility testing of anaerobic bacteria; approved standards. M11-A6. 6th ed" Clinical Laboratory Standards Institute 2004
10 Goldstein EJ, "Intra-abdominal infections: review of the bacteriology, antimicrobial susceptibility and the role of ertapenem in their therapy" 53 (53): ii29-ii36, 2004
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12 Lee K, "In vitro susceptibilities of the Bacteroides fragilis group to 14 antimicrobial agents in Korea" 36 : 195-197, 1992
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17 Stearne LE, "Comparative study of the effects of ceftizoxime, piperacillin, and piperacillin-tazobactam concentrations on antibacterial activity and selection of antibiotic-resistant mutants of Enterobacter cloacae and Bacteroides fragilis in vitro and in vivo in mixed-infection abscesses" 48 : 1688-1698, 2004
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21 Suata K, "Antimicrobial susceptibility patterns and resistance transferability among Bacteroides fragilis group isolates from patients with appendicitis in Bali, Indonesia" 16 : 561-566, 1993
22 Lee K, "Antimicrobial resistance patterns of Bacteroides fragilis group organisms in Korea" 39 : 578-586, 1998
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24 Rasmussen BA, "Antimicrobial resistance in Bacteroides" 16 (16): S390-S400, 1993
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27 Holdeman LV, "Anaerobic laboratory manual. 4th ed" Virginia Polytechnic Institute and State University 1977
28 Goldstein EJ, "Anaerobic bacteremia" 23 (23): S97-S101, 1996