Confirmatory analysis of 17β-boldenone, 17α-boldenone and androsta-1,4-diene-3,17-dione in bovine urine, faeces, feed and skin swab samples by liquid chromatography–electrospray io... by Nielen, Michel W.F., Rutgers, Paula, Bennekom, Eric O.van, Lasaroms, Johan J.P., van Rhijn, J.A.(Hans)

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Development and validation of a method for the determination of sub-additive levels of virginiamycin in compound animal feeds by liquid chromatography by HAJEE, Chris A. J, VAN RHIJN, Hans A, LASAROMS, Johan J. P, KEUKENS, Henk J, DE JONG, Jacob

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Inter-laboratory, time, and fitness-for-purpose aspects of effective validation by van der Voet, Hilko, (Hans) van Rhijn, J.A, van de Wiel, Henk J

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Quantitative analysis of penicillins in porcine tissues, milk and animal feed using derivatisation with piperidine and stable isotope dilution liquid chromatography tandem mass spe... by Holthoon, F.L. van, Mulder, P.P.J, Bennekom, E.O. van, Heskamp, H.H, Zuidema, T, Rhijn, J.A. van

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The derivatisation of avermectins and milbemycins in milk: New insights and improvement of the procedure by Berendsen, Bjorn J.A., Mulder, Patrick P.J., van Rhijn, Hans (J.)A.

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Multi residue screening of intact testosterone esters and boldenone undecylenate in bovine hair using liquid chromatography electrospray tandem mass spectrometry by Nielen, Michel W.F., Lasaroms, Johan J.P., Mulder, Patrick P.J., Van Hende, Johan, van Rhijn, J.(Hans)A., Groot, Maria J.

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Bioassay-Directed Identification of Estrogen Residues in Urine by Liquid Chromatography Electrospray Quadrupole Time-of-Flight Mass Spectrometry by Nielen, Michel W. F, van Bennekom, Eric O, Heskamp, Henri H, van Rhijn, J. (Hans) A, Bovee, Toine F. H, Hoogenboom, L. (Ron) A. P

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Application of a multi-sulfonamide biosensor immunoassay for the detection of sulfadiazine and sulfamethoxazole residues in broiler serum and its use as a predictor of the levels i... by Haasnoot, Willem, Bienenmann-Ploum, Monique, Lamminmäki, Urpo, Swanenburg, Manon, van Rhijn, Hans

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Mass spectrometric analysis of the marine lipophilic biotoxins pectenotoxin-2 and okadaic acid by four different types of mass spectrometers by Gerssen, Arjen, Mulder, Patrick, van Rhijn, Hans, de Boer, Jacob

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Can high-performance liquid chromatography coupled with fluorescence detection under all conditions be regarded as a sufficiently conclusive confirmatory method for B-group substan... by Zuidema, T, Mulder, P.P.J, Lasaroms, J.J.P, Stappers, S, Rhijn, J.A. van

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Detection of residues using multivariate modelling of low-level GC-MS measurements by van der Voet, Hilko, de Boer, Waldo J., de Ruig, Wil G., van Rhijn, J. A. (Hans)

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Residue analysis of tetracyclines in poultry muscle: Shortcomings revealed by a proficiency test by Berendsen, B.J.A, Rhijn, J.A. van

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