Trends in monitoring use of veterinary drugs and growthpromoting agentsL Stolker, M Blokland, T Zuidema, P Zoontjes, SS Sterk, M Nielen, L Ginkel09/02/2009Journal Article
Stability of thyreostats in bovine urineCJPF Kuijpers, SS Sterk, HA Herbold, LA Ginkel09/02/2009Journal Article
Sampling optimization trade-offs for long-term monitoring of gamma dose ratesSJ Melles, GBM Heuvelink, CJW Twenhofel, U Stoehlker17/02/2009Journal Article
Sample preparation of beta-agonists in urine, comparison of two different techniques; mixed-mode solid phase extraction and molecular imprinted polymers extractionPR Kootstra, KJH Baal, KL Wubs, CJPF Kuijpers, SS Sterk09/02/2009Journal Article
Ringstudy on salmeterol in bovine hairPR Kootstra, JJP Lasaroms, T Zuidema, JA Rhijn, SS Sterk09/02/2009Journal Article
Regulations and limits for mycotoxins in fruits and vegetablesHP Egmond, MA Jonker09/02/2009Journal Article
Quantitative analysis of natural hormones in serum and urine samples from cattleEF Tricht, MH Blokland, SS Sterk, LA Ginkel09/02/2009Journal Article
Phytosterols in animal feedMH Blokland, D Doorn, MR Duits, SS Sterk, LA Ginkel09/02/2009Journal Article