title: Resistance to antibiotics in Rhizobium trifolii and its relation to nitrogen fixation.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D009586:Nitrogen Fixation; D012231:Rhizobium / Q000187:drug effects*
chemical_list: D000900:Anti-Bacterial Agents