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Journal 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. A|September 29, 1995
Rapid analysis of beta-agonists in urine by thermospray tandem mass spectrometryJ A van Rhijn, M O'Keeffe, H H Heskamp, et al.Analytica Chimica Acta|March 17, 2009
Development, validation and implementation of a receptor based bioassay capable of detecting a broad range of beta-agonist drugs in animal feedingstuffsS Boyd, H H Heskamp, T F H Bovee, et al.Journal of Chromatography. A|October 12, 2001
Quantititative determination of glycosylated and aglycon isoprenoid cytokinins at sub-picomolar levels by microcolumn liquid chromatography combined with electrospray tandem mass spectrometryJ A van Rhij, H H Heskamp, E Davelaar, et al.Journal of Chromatography. B, Biomedical Applications|March 24, 1995
Possibilities for confirmatory analysis of some beta-agonists using two different derivatives simultaneouslyJ A van Rhijn, H H Heskamp, M L Essers, et al.Food Additives and Contaminants|October 31, 2006
Screening for estrogen residues in calf urine: comparison of a validated yeast estrogen bioassay and gas chromatography-tandem mass spectrometryM W F Nielen, T F H Bovee, H H Heskamp, et al.Pageof 1