1. EMEA oxytetracycline, tetracycline and chlortetracycline summary report 3. EMEA/MRL/023/95, 1995. Available online at: http://www.emea.europa.eu/pdfs/vet/mrls/Tetracyclines(3)02395.pdf. Accessed on 3 march 2006.
2. Council Directive 96/23/EC of 29 April 1996 on measures to monitor certain substances and residues thereof in live animals and animal products and repealing Directives 85/358/EEC and 86/469/EEC and Decisions 89/187/EEC and 91/664/EEC (Official Journal L 125, 23.5.1996, p. 10).
3. Guest editorial. Microbiological resistance promoted by misuse of antibiotics: a public health concern
4. Council Regulation (EEC) N° 2377/90 of 26 June 1990 laying down a Community procedure for the establishment of maximum residue limits for veterinary medicinal products in foodstuffs of animal origin (Official Journal L 22, 18/08/1990, p. 1).
5. Commission Regulation (EC) No. 3426/93 (Official Journal L312, 15/12/93, p. 15).