Clinical aspects of the relationship between antibiotic usage and resistance.
D000821:Animal Feed; D000900:Anti-Bacterial Agents / Q000008:administration & dosage / Q000627:therapeutic use; D001424:Bacterial Infections / Q000517:prevention & control; D002626:Chemistry, Pharmaceutical; D004352:Drug Resistance, Microbial; D004363:Drug Utilization; D006801:Humans
D000900:Anti-Bacterial Agents