Oxytetracycline Residues in Honey Analyzed by Liquid Chromatography with UV Detection
Gajda, Anna, Posyniak, Andrzej, Bober, Andrzej, Błądek, Tomasz, Żmudzki, Jan
Analytical Procedure for the Determination of Tulathromycin in Swine Plasma
Gajda, Anna, Posyniak, Andrzej, Błądek, Tomasz
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
In-House Reference Material of Chloramphenicol in Pig Muscle
Śniegocki, Tomasz, Żmudzki, Jan, Posyniak, Andrzej, Sell, Bartosz
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
Analytical strategy for determination of chloramphenicol in different biological matrices by liquid chromatography - mass spectrometry
Śniegocki, Tomasz, Gbylik-Sikorska, Małgorzata, Posyniak, Andrzej
LC-MS/MS analysis of doxycycline residues in chicken tissues after oral administration
Gajda, Anna, Posyniak, Andrzej, Tomczyk, Grzegorz
In vivo study of the oestrogenic activity of milk
Radko, Lidia, Posyniak, Andrzej
Simultaneous determination of ten illegal azo dyes in feed by ultra-high performance liquid chromatography tandem mass spectrometry
Piątkowska, Marta, Jedziniak, Piotr, Olejnik, Małgorzata, Pietruk, Konrad, Żmudzki, Jan, Posyniak, Andrzej
Confirmatory method for the determination of nitroimidazoles in milk by liquid chromatography - tandem mass spectrometry
Mitrowska, Kamila, Antczak, Maja, 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
Analysis of β-agonists in different biological matrices by liquid chromatography–tandem mass spectrometry
Śniegocki, Tomasz, Sell, Bartosz, Posyniak, Andrzej