Letter: Chloramphenicol--resistant typhoid.
D002648:Child; D002701:Chloramphenicol / Q000494:pharmacology / Q000627:therapeutic use*; D004352:Drug Resistance, Microbial; D006801:Humans; D012485:Salmonella typhi / Q000187:drug effects / Q000302:isolation & purification; D013785:Thailand; D014435:Typhoid Fever / Q000188:drug therapy* / Q000382:microbiology
D002701:Chloramphenicol