1. Frieden DT (2013) Antibiotic Resistance Threats in the United States, 2013. Centers for Disease Control and Prevention, U.S. Department of Health and Human Services.
2. Contamination of animal feed by multiresistant enterococci;AE van den Bogaard;Lancet,1999
3. The Global Impact of Drug Resistance;DH Howard;Clinical Infectious Diseases,2003
4. Pet animals as reservoirs of antimicrobial-resistant bacteria;L Guardabassi;J Antimicrob Chemother,2004
5. Occurrence of antimicrobial resistant bacteria in healthy dogs and cats presented to private veterinary hospitals in southern Ontario: A preliminary study;C Murphy;Can Vet J,2009