Bacterial antibiotic resistance before and after clinical application in the United States.
D000900:Anti-Bacterial Agents / Q000494:pharmacology* / Q000627:therapeutic use; D004352:Drug Resistance, Microbial; D004755:Enterobacteriaceae / Q000187:drug effects*; D005500:Follow-Up Studies; D011550:Pseudomonas aeruginosa / Q000187:drug effects*; D014481:United States
D000900:Anti-Bacterial Agents