1. The use of anabolic steroids in animal production –The FAO position. Meissonnier E.: Anabolics in animal production. Soregraph;Kossila V. L.;Levallois,1983
2. Council Directive 88/146/EEC;European Community;Off. J. Eur. Commun.,1988
3. Council Directive 96/22/EC;European Community;Off. J. Eur. Commun.,1996