Determination of steroid esters in hair of slaughter animals by liquid chromatography with tandem mass spectrometry
Matraszek-Żuchowska, Iwona, Woźniak, Barbara, Sielska, Katarzyna, Posyniak, Andrzej
Determination of natural and synthetic oestrogens in surface water using gas chromatography-mass spectrometry
Woźniak, Barbara, Kłopot, Alicja, Matraszek-Żuchowska, Iwona, Sielska, Katarzyna, Żmudzki, Jan
Control of residues of thyreostats in slaughter animals in Poland in 2011–2017
Woźniak, Barbara, Matraszek-Żuchowska, Iwona, Sielska, Katarzyna, Witek, Sebastian, Posyniak, Andrzej, Niemczuk, Krzysztof, Żmudzki, Jan
Determination of the Thyreostats in Animal Feeding Stuffs Using Liquid Chromatography-Tandem Mass Spectrometry
Woźniak, Barbara, Witek, Sebastian, Matraszek-Żuchowska, Iwona, Żmudzki, Jan
Development of LC-MS/MS confirmatory method for the determination of testosterone in bovine serum
Woźniak, Barbara, Matraszek-Żuchowska, Iwona, Witek, Sebastian, Posyniak, Andrzej
Determination of Zeranol and its Metabolites in Bovine Muscle Tissue with Gas Chromatography-Mass Spectrometry
Matraszek-Żuchowska, Iwona, Woźniak, Barbara, Żmudzki, Jan
Determination of natural progesterone levels in bovine serum using gas chromatography coupled with mass spectrometry
Matraszek-Żuchowska, Iwona, Kłopot, Alicja, Zdonek, Paulina, Korycińska, Beata, Grzelak, Justyna
Control of anabolic hormone residues in tissues of slaughter animals in Poland during the period of 2011–2015
Matraszek-Żuchowska, Iwona, Woźniak, Barbara, Kłopot, Alicja, Witek, Sebastian, Sielska, Katarzyna, Posyniak, Andrzej
Liquid chromatographytandem mass spectrometry methods for determination of stanozolol and l6β-hydroxy-stanozolol in animal urine
Matraszek-Źuchowska, Iwona, Kłopot, Alicja, Sielska, Katarzyna, Korycińska, Beata, Witek, Sebastian, Zdonek, Paulina, Jedziniak, Piotr
Levels of the natural hormones 17β-oestradiol and testosterone in serum of cattle: results from population studies in Poland
Woźniak, Barbara, Witek, Sebastian, Matraszek-Żuchowska, Iwona, Kłopot, Alicja, Posyniak, Andrzej
Determination of clostebol residues in the urine of slaughter animals using liquid chromatography–tandem mass spectrometry
Matraszek-Żuchowska, Iwona, Kłopot, Alicja, Grzelak, Justyna, Zdonek, Paulina
Screening and confirmatory GC-MS methods for the detection of trenbolone in bovine urine
Woźniak, Barbara, Matraszek-Żuchowska, Iwona, Semeniuk, Stanisław, Kłopot, Alicja, Żmudzki, Jan