title: Detection of R factor-bearing microorganisms in laboratory animals.
mesh_terms: D000818:Animals; D000830:Animals, Laboratory; D002645:Chickens; D002701:Chloramphenicol / Q000494:pharmacology; D004352:Drug Resistance, Microbial; D004925:Escherichia / Q000302:isolation & purification*; D004926:Escherichia coli / Q000187:drug effects; D005243:Feces / Q000382:microbiology; D005827:Genetics, Microbial; D051379:Mice; D012486:Salmonella typhimurium / Q000187:drug effects / Q000302:isolation & purification*; D013307:Streptomycin / Q000494:pharmacology; D013752:Tetracycline / Q000494:pharmacology
chemical_list: D002701:Chloramphenicol; D013752:Tetracycline; D013307:Streptomycin