β-Agonists in animal feed. II: optimization of the extractionCOURTHEYN, D; MOERMANS, R; SCHILT, R et al.Food additives and contaminants. 1996, Vol 13, Num 5, pp 493-510, issn 0265-203X, 17 p.Article

Endogenous 19-nortestosterone in biological samples of pigs. Analyses with an enzyme immunoassay and HPLC with on-line immunoaffinity chromatographyHAASNOOT, W; VAN BRUCHEM, G. D; PAULUSSEN, R. J. A et al.Archiv für Lebensmittelhygiene. 1990, Vol 41, Num 6, pp 131-138, issn 0003-925X, 7 p.Article

Determination of embutramide and pentobarbital in meat and bone meal by gas chromatography-mass spectrometryHOOIJERINK, D; SCHILT, R; BROUWER, B et al.Analyst (London. 1877. Print). 1998, Vol 123, Num 12, pp 2513-2516, issn 0003-2654Conference Paper

Illegal use of β-adrenergic agonists : European CommunitKUIPER, H. A; NOORDAM, M. Y; VAN DOOREN-FLIPSEN, M. M. H et al.Journal of animal science. 1998, Vol 76, Num 1, pp 195-207, issn 0021-8812Conference Paper

β-Agonists in animal feed. I: first intercomparison of methods of analysis for clenbuterol in animal feed materialsSCHILT, R; HOOIJERINK, H; COURTHEYN, D et al.Food additives and contaminants. 1996, Vol 13, Num 5, pp 477-492, issn 0265-203XArticle

Immunoaffinity pre-column for selective on-line sample pre-treatment in high-performance liquid chromatography determination of 19-nortestosteroneFARJAM, A; DE JONG, G. J; FREI, R. W et al.Journal of chromatography. 1988, Vol 452, pp 419-433, issn 0021-9673Article

Multi-laboratory study of the analysis and kinetics of stanozolol and its metabolites in treated calvesDE BRABANDER, H. F; DE WASCH, K; GRAMBERG, L. G et al.Analyst (London. 1877. Print). 1998, Vol 123, Num 12, pp 2599-2604, issn 0003-2654Conference Paper

Pour on application of growth promoters in veal calves : analytical and histological resultsSCHILT, R; GROOT, M. J; BERENDE, P. L. M et al.Analyst (London. 1877. Print). 1998, Vol 123, Num 12, pp 2665-2670, issn 0003-2654Conference Paper

Determination of beta-sympathomimetics in liver and urine by immunoaffinity chromatography and gas chromatography-mass-selective detectionHOOIJERINK, H; SCHILT, R; VAN BENNEKOM, E. O et al.Journal of chromatography. Biomedical applications. 1994, Vol 660, Num 2, pp 303-313, issn 0378-4347Article

Rapid determination of clenbuterol residues in urine by high performance liquid chromatography with on-line automated sample processing using immunoaffinity chromatographyHAASNOOT, W; PLOUM, M. E; PAULUSSEN, R. J. A et al.Journal of chromatography. 1990, Vol 519, Num 2, pp 323-335, issn 0021-9673, 13 p.Article

A fast immunoassay for the screening of β-agonists in hairHAASNOOT, W; STOUTEN, P; SCHILT, R et al.Analyst (London. 1877. Print). 1998, Vol 123, Num 12, pp 2707-2710, issn 0003-2654Conference Paper

Determination of clenbuterol in urine of calves by high-performance liquid chromatography with in series ultraviolet and electrochemical detectionHOOIJERINK, H; SCHILT, R; HAASNOOT, W et al.Journal of pharmaceutical and biomedical analysis. 1991, Vol 9, Num 6, pp 485-492, issn 0731-7085Article

Detection of zilpaterol (Zilmax®) in calf urine and faeces with liquid chromatography-tandem mass spectrometryVAN HOOF, N; SCHILT, R; DE BRABANDER, H et al.Analytica chimica acta. 2005, Vol 529, Num 1-2, pp 189-197, issn 0003-2670, 9 p.Conference Paper

Immunoaffinity chromatography for the sample pretreatment of Taxus plant and cell extracts prior to analysis of taxanes by high-performance liquid chromatographyTHEODORIDIS, G; HAASNOOT, W; CAZEMIER, G et al.Journal of chromatography. 2002, Vol 948, Num 1-2, pp 177-185, issn 0021-9673, 9 p.Conference Paper

Identification of metabolites of the anabolic steroid methandienone formed by bovine hepatocytes in vitroHOOIJERINK, D; SCHILT, R; HOOGENBOOM, R et al.Analyst (London. 1877. Print). 1998, Vol 123, Num 12, pp 2637-2641, issn 0003-2654Conference Paper

Screening of cattle urine samples for the presence of beta-agonists with a functional test : some preliminary resultsSCHILT, R; HOOIJERINK, H; HUF, F. A et al.Analyst (London. 1877. Print). 1994, Vol 119, Num 12, pp 2667-2670, issn 0003-2654Conference Paper

Influence of clenbuterol, alone and in combination with natural hormones, on prostate histology in male goat kidsGROOT, M. J; BERENDE, P. L. M; SCHILT, R et al.Archiv für Lebensmittelhygiene. 1992, Vol 43, Num 5, pp 110-114, issn 0003-925XArticle