title: Emergence of ofloxacin-resistant Citrobacter freundii and Pseudomonas maltophilia after ofloxacin therapy.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology / Q000627:therapeutic use*; D002954:Citrobacter / Q000187:drug effects*; D004352:Drug Resistance, Microbial; D006801:Humans; D008297:Male; D008875:Middle Aged; D015242:Ofloxacin; D010078:Oxazines / Q000494:pharmacology / Q000627:therapeutic use*; D011549:Pseudomonas / Q000187:drug effects*
chemical_list: D000900:Anti-Bacterial Agents; D010078:Oxazines; D015242:Ofloxacin