[Results of a control program on the use of antibiotics].
D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D002677:Chile; D004352:Drug Resistance, Microbial; D004363:Drug Utilization / Q000191:economics; D006090:Gram-Negative Bacteria / Q000187:drug effects; D006769:Hospitals, General; D006801:Humans; D007769:Lactams
D000900:Anti-Bacterial Agents; D007769:Lactams
Resultados de un programa de control sobre el uso de antibióticos.