Amitraz marker residues in honey from honeybee colonies treated with Apiwarol
Pohorecka, Krystyna, Kiljanek, Tomasz, Antczak, Maja, Skubida, Piotr, Semkiw, Piotr, 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
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
Oxytetracycline Residues in Honey Analyzed by Liquid Chromatography with UV Detection
Gajda, Anna, Posyniak, Andrzej, Bober, Andrzej, Błądek, Tomasz, Żmudzki, Jan
In-House Reference Material of Chloramphenicol in Pig Muscle
Śniegocki, Tomasz, Żmudzki, Jan, Posyniak, Andrzej, Sell, Bartosz
Analytical strategy for determination of chloramphenicol in different biological matrices by liquid chromatography - mass spectrometry
Śniegocki, Tomasz, Gbylik-Sikorska, Małgorzata, 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
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
Effect of doxycycline concentrations in chicken tissues as a consequence of permanent exposure to enrofloxacin traces in drinking water
Gbylik-Sikorska, Małgorzata, Posyniak, Andrzej, Śniegocki, Tomasz, Sell, Bartosz, Gajda, Anna, Tomczyk, Grzegorz, Żmudzki, Jan
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
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