1. Anonymous, 1997. Antimicrobial Feed additives. Report from the Commission on Antimicrobial Feed Additives. SOU 1997. Ministry of Agriculture, Stockholm, Sweden, p. 132.
2. DANMAP-2003. Use of Antimicrobial Agents and Occurrence of Antimicrobial Resistance in Bacteria from Food, Animals and Humans in Denmark;Anonymous,2004
3. NORM/NORM-VET 2003. Consumption of Antimicrobial Agents and Occurrence of Antimicrobial Resistance in Norway;Anonymous,2004
4. SVARM 2003. Swedish Veterinary Antimicrobial Resistance Monitoring;Anonymous,2004
5. Banning antimicrobial growth promoters in feedstuffs does not result in increased therapeutic use in antibiotics in medicated feed in pig farming;Arnhold;Pharmacoepidemiol. Drug Saf.,2004