title: Antibiotic resistance in typhoid fever. Chloramphenicol resistance among clinical isolates of Salmonella typhosa in Los Angeles, 1972--epidemiologic and bacteriologic characteristics.
mesh_terms: D002140:California; D002701:Chloramphenicol / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D005111:Extrachromosomal Inheritance; D005334:Fever / Q000188:drug therapy / Q000453:epidemiology; D006801:Humans; D008800:Mexico; D008826:Microbial Sensitivity Tests; D012485:Salmonella typhi / Q000187:drug effects* / Q000302:isolation & purification; D012621:Seasons; D014195:Travel; D014435:Typhoid Fever / Q000188:drug therapy / Q000382:microbiology*
chemical_list: D002701:Chloramphenicol