title: R-factor-mediated resistance to new aminoglycoside antibiotics.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D046508:Culture Techniques; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects*; D005492:Folic Acid; D006801:Humans; D012475:Salmonella / Q000187:drug effects*
chemical_list: D000900:Anti-Bacterial Agents; D005492:Folic Acid