1. Official Journal of the European Communities, No. L224. Brussels, 1990, p1.
2. Council of Europe. Residues of Veterinary Drugs in 26. Official Journal of the European Communities, No. Food of Animal Origin. Straatsburg, 1986, p18. L156. Brussels, 1994, p 6.
3. DSA, Safety and Quality of Food.Proceedings of a L205. Brussels, 1998, p7. DSA Symposium, Wholesome Food for All. Views of 29. Official Journal of the European Communities, No. the Animal Health Industries, Brussels, Mar. 29-30, L205. Brussels, 1998, p 10. 1984. Brussels: Elsevier, 1984. 30. Official Journal of the European Communities, No.
4. NA Botsoglou, DJ Fletouris(eds.).Drug Residues in L343. Brussels, 1998, p8. Foods. Pharmacology, Food Safety, and Analysis. New 31. Official Journal of the European Communities, No. York: Marcel Dekker, 2001. L102. Brussels, 1999, p 58.