title: Trimethoprim-sulphamethoxazole synergy against Gram-negative bacilli.
mesh_terms: D004347:Drug Interactions; D006090:Gram-Negative Bacteria / Q000187:drug effects*; D008826:Microbial Sensitivity Tests; D013420:Sulfamethoxazole / Q000494:pharmacology*; D014295:Trimethoprim / Q000494:pharmacology*
chemical_list: D014295:Trimethoprim; D013420:Sulfamethoxazole