References
- Council Directive 70/524/EEC . 1970 . Official Journal of the European Commission , L270 14 December 1970
- Council Directive 81/602/EEC . 1981 . Official Journal of the European Commission , L222 7 August 1981
- Council Directive 88/146/EEC . 1988 . Official Journal of the European Commission , L70 16 March 1988
- Courtheyn , D. , Desaever , C. and Verhe , R. 1991 . High‐performance liquid Chromatographic determination of clenbuterol and cimaterol using post‐column derivatization . Journal of Chromatography , 564 : 537 – 549 .
- Courtheyn , D. , Bakeroot , V. and Vercammen , J. 1994 . Broad Range Mass Spectrometric Determination of β‐agonists in Feeds . SP/LAB/h(94).Ph. ,
- Courtheyn , D. , Moermans , R. , Schilt , R. and Boenke , V. 1996 . β‐agonists in animal feed II, Optimization of the extraction . Food Additives and Contaminants , 13 : 493 – 510 .
- Dürsch , I. and Meyer , H. H. D. 1993 . Screening of β‐agonists in animal feed, preparation of animal feed materials free of β‐agonists and stability studies . Commission of the European Communities, Direction General of Agriculture. DGVI/BII.1 ,
- Hanrahan , J. P. , ed. 1987 . Beta‐agonists and Their Effects on Animal Growth and Carcass Quality , London : Elsevier Applied Science .
- Leyssens , L. , Driessen , C. , Jacobs , A. , Czech , J. and Raus , J. 1991 . Analysis of beta2‐receptor agonists in bovine urine and liver by gas chromatography‐tandem mass spectrometry . Journal of Chromatography , 564 : 515 – 527 .
- Leyssens , L. , Moermans , R. and Courtheyn , D. 1995 . Clenbuterol and salbutamol in animal feed: clean‐up and end‐methods testing Study . BCR information—chemical analysis, EUR 16242EN ,
- Leyssens , L. , Noben , J. P. , Courtheyn , D. and Boenke , A. 1995 . Clenbuterol and salbutamol in animal feed: 2nd intercomparison study . BCR information—chemical analysis, EUR 16640EN ,
- Miller , R. G. jr , ed. 1981 . Simultaneous Statistical Inference , 2nd edn , 37 – 48 . Heidelberg : Springer Verlag .
- Schilt , R. , Haasnoot , W. , Jonker , M. A. , Hooijerink , H. and Paulussen , R. J. A. Determination of β‐agonistic drugs in feed, urine and tissue samples of cattle with immuno‐affinity chromatography and GC‐MS . Proceedings of the Euroresidue I Conference . May 21–23 1990 , Noordwijkerhout, The Netherlands. pp. 320 – 325 .
- Schilt , R. , Hooijerink , H. , Courtheyn , D. and Boenke , A. 1996 . Beta‐agonists in animal feed I: 1st intercomparison of methods of analysis for clenbuterol in animal feed materials . Food Additives and Contaminants , 13 : 477 – 492 .
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