Development of LC-MS/MS confirmatory method for the determination of testosterone in bovine serum
Woźniak, Barbara, Matraszek-Żuchowska, Iwona, Witek, Sebastian, Posyniak, Andrzej
In vivo study of the oestrogenic activity of milk
Radko, Lidia, Posyniak, Andrzej
Occurrence of Veterinary Antibiotics and Chemotherapeutics in Fresh Water, Sediment, and Fish of the Rivers and Lakes in Poland
Gbylik-Sikorska, Małgorzata, Posyniak, Andrzej, Mitrowska, Kamila, Gajda, Anna, Błądek, Tomasz, Śniegocki, Tomasz, Żmudzki, Jan
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
Analysis of β-agonists in different biological matrices by liquid chromatography–tandem mass spectrometry
Śniegocki, Tomasz, Sell, Bartosz, Posyniak, Andrzej
Analytical Procedure for the Determination of Tulathromycin in Swine Plasma
Gajda, Anna, Posyniak, Andrzej, Błądek, Tomasz
Oxytetracycline Residues in Honey Analyzed by Liquid Chromatography with UV Detection
Gajda, Anna, Posyniak, Andrzej, Bober, Andrzej, Błądek, Tomasz, Żmudzki, Jan
Liquid chromatography – tandem mass spectrometry method for the determination of ten tetracycline residues in muscle samples
Gajda, Anna, Posyniak, Andrzej
The markers of stress in swine oral fluid
Giergiel, Marta, Olejnik, Małgorzata, Jabłoński, Artur, 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
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
Confirmatory method for the determination of nitroimidazoles in milk by liquid chromatography - tandem mass spectrometry
Mitrowska, Kamila, Antczak, Maja, Posyniak, Andrzej