1. Anonymous 1997 Antimicrobial feed additives. Report from the Commission on Antimicrobial Feed Additives. SOU 1997: 132 Ministry of Agriculture Stockholm, Sweden
2. Anonymous 1999 Antibiotic resistance in the European Union associated with therapeutic use of veterinary medicines. Report and quality risk assessment by the Committee for Veterinary Medicinal Products European Medicines Agency London, United Kingdom http://www.emea.eu.int/pdfs/vet/regaffair/034299en.pdf
3. Anonymous 2001 The microbial threat. Progress report on antimicrobial resistance Invitational EU Conference Visby, Sweden 2001