title: R-factor-induced resistance levels.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002701:Chloramphenicol / Q000494:pharmacology / Q000652:urine; D002954:Citrobacter / Q000187:drug effects; D003227:Conjugation, Genetic; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects* / Q000302:isolation & purification; D005111:Extrachromosomal Inheritance; D006801:Humans; D008826:Microbial Sensitivity Tests; D009355:Neomycin / Q000494:pharmacology; D013307:Streptomycin / Q000494:pharmacology / Q000652:urine; D013752:Tetracycline / Q000494:pharmacology / Q000652:urine; D014552:Urinary Tract Infections / Q000382:microbiology
chemical_list: D000900:Anti-Bacterial Agents; D002701:Chloramphenicol; D013752:Tetracycline; D009355:Neomycin; D013307:Streptomycin