title: Letter: Thermosensitive transfer factors in chloramphenicol-resistant strains of Salmonella typhi.
mesh_terms: D002701:Chloramphenicol / Q000494:pharmacology*; D003227:Conjugation, Genetic; D003470:Culture Media; D004352:Drug Resistance, Microbial; D004926:Escherichia coli; D005111:Extrachromosomal Inheritance; D012485:Salmonella typhi / Q000187:drug effects*; D013307:Streptomycin / Q000494:pharmacology; D013449:Sulfonamides / Q000494:pharmacology; D013696:Temperature; D013752:Tetracycline / Q000494:pharmacology
chemical_list: D003470:Culture Media; D013449:Sulfonamides; D002701:Chloramphenicol; D013752:Tetracycline; D013307:Streptomycin