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Journal - Association of Official Analytical Chemists|July 1, 1982
Liquid chromatographic determination of natamycin in cheese at residue levelsL G Tuinstra, W A TraagPoultry Science|August 21, 2007
Effect of flock size on dioxin levels in eggs from chickens kept outsideA Kijlstra, W A Traag, L A P HoogenboomJournal - Association of Official Analytical Chemists|September 1, 1980
Quantitative determination of individual chlorinated biphenyls in milkfat by splitless glass capillary gas chromatographyL G Tuinstra, W A Traag, H J KeukensJournal of Chromatography|April 7, 1989
Biotransformation of beta-nortestosterone by cultured porcine hepatocytesL A Hoogenboom, M C Berghmans, W A TraagJournal of Chromatography|September 22, 1993
Confirmatory analysis of clenbuterol using two different derivatives simultaneouslyJ A van Rhijn, W A Traag, H H HeskampJournal of Chromatography|January 16, 1981
Determination of individual chlorinated biphenyls in agricultural products by automated capillary gas chromatography: determination in cattle feed and its relation to milk residuesL G Tuinstra, W A Traag, A J van MunsterenJournal of Chromatography. A|August 15, 2006
Comparison of an acetonitrile extraction/partitioning and "dispersive solid-phase extraction" method with classical multi-residue methods for the extraction of herbicide residues in barley samplesC Díez, W A Traag, P Zommer, et al.Journal of Chromatography|March 20, 1992
Automated clean-up procedure for the gas chromatographic-high-resolution mass spectrometric determination of polychlorinated dibenzo-p-dioxins and dibenzofurans in milkJ A van Rhijn, W A Traag, W Kulik, et al.Journal of Chromatography|November 25, 1983
Procedure for the gas chromatographic-mass spectrometric confirmation of some exogenous growth-promoting compounds in the urine of cattleL G Tuinstra, W A Traag, H J Keukens, et al.Journal of Chromatography|June 12, 1987
Tandem capillary gas chromatography in pesticide residue analysisL G Tuinstra, W A Traag, A J van Munsteren, et al.Pageof 3