title: Letter: Chloramphenicol-resistant Salmonella typhosa.
mesh_terms: D002701:Chloramphenicol / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D006801:Humans; D008826:Microbial Sensitivity Tests; D012485:Salmonella typhi / Q000187:drug effects* / Q000302:isolation & purification; D013785:Thailand; D014435:Typhoid Fever / Q000382:microbiology
chemical_list: D002701:Chloramphenicol