title: Letter: Susceptibility of Bacteroides fragilis to co-trimoxazole.
mesh_terms: D001439:Bacteroides / Q000187:drug effects*; D004338:Drug Combinations; D004352:Drug Resistance, Microbial; D008826:Microbial Sensitivity Tests; D013420:Sulfamethoxazole / Q000494:pharmacology*; D014295:Trimethoprim / Q000494:pharmacology*
chemical_list: D004338:Drug Combinations; D014295:Trimethoprim; D013420:Sulfamethoxazole