title: Plasmids mediating resistance to chloramphenicol, trimethoprim, and ampicillin in Salmonella typhi strains isolated in the Southeast Asian region.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001210:Asia, Southeastern; D002701:Chloramphenicol / Q000494:pharmacology; D011815:R Factors; D012485:Salmonella typhi / Q000187:drug effects / Q000235:genetics* / Q000302:isolation & purification; D014295:Trimethoprim / Q000494:pharmacology
chemical_list: D000900:Anti-Bacterial Agents; D002701:Chloramphenicol; D000667:Ampicillin; D014295:Trimethoprim