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
Multi-Class Procedure for Analysis of Antibacterial Compounds in Eggs by Liquid Chromatography-Tandem Mass Spectrometry
Błądek, Tomasz, Posyniak, Andrzej, Gajda, Anna, Gbylik, Małgorzata, Żmudzki, Jan
Development of a UHPLC-MS/MS method for the determination of quercetin in milk and its application to a pharmacokinetic study
Gbylik-Sikorska, Małgorzata, Gajda, Anna, Burmańczuk, Artur, Grabowski, Tomasz, Posyniak, Andrzej
Development of LC-MS/MS confirmatory method for the determination of testosterone in bovine serum
Woźniak, Barbara, Matraszek-Żuchowska, Iwona, Witek, Sebastian, Posyniak, Andrzej
Simultaneous Determinaton of Fluoroquinolones in Feed by Liquid Chromatography with Fluorescence Detection
Gbylik, Małgorzata, Posyniak, Andrzej, Gajda, Anna
Determinaton of enrofloxacin and ciprofloxacin in albumin and freeze-dried-eggs by liquid chromatography with fluorescence detection
Gbylik-Sikorska, Małgorzata, Posyniak, Andrzej, Gajda, Anna, Błądek, Tomasz
The markers of stress in swine oral fluid
Giergiel, Marta, Olejnik, Małgorzata, Jabłoński, Artur, Posyniak, Andrzej
New method of analysis of nitrofurans and nitrofuran metabolites in different biological matrices using UHPLC-MS/MS
Śniegocki, Tomasz, Giergiel, Marta, Sell, Bartosz, Posyniak, Andrzej
A preliminary study of the poultry body weight effect of carvacrol in litter and of carvacrol residue in organ tissue of exposed chickens
Śniegocki, Tomasz, Raszkowska-Kaczor, Aneta, Bajer, Krzysztof, Sell, Bartosz, Kozdruń, Wojciech, Giergiel, Marta, Posyniak, Andrzej
Liquid chromatography – tandem mass spectrometry method for the determination of ten tetracycline residues in muscle samples
Gajda, Anna, Posyniak, Andrzej
LC-MS/MS analysis of doxycycline residues in chicken tissues after oral administration
Gajda, Anna, Posyniak, Andrzej, Tomczyk, Grzegorz
Pesticide Poisoning of Honeybees: A Review of Symptoms, Incident Classification, and Causes of Poisoning
Kiljanek, Tomasz, Niewiadowska, Alicja, Posyniak, Andrzej