Authors: Posyniak, A Zmudzki, J Niedzielska, J

Citation: A. Posyniak et al., Sample preparation for residue determination of gentamicin and neomycin byliquid chromatography, J CHROMAT A, 914(1-2), 2001, pp. 59-66

Authors: Posyniak, A Zmudzki, J Semeniuk, S

Citation: A. Posyniak et al., Effects of the matrix and sample preparation on the determination of fluoroquinolone residues in animal tissues, J CHROMAT A, 914(1-2), 2001, pp. 89-94

Authors: Posyniak, A

Citation: A. Posyniak, Pharmacokinetic quality of antibacterial medications for fish, MED WETER, 56(5), 2000, pp. 296-300

Authors: Posyniak, A Zmudzki, J Ellis, RL Semeniuk, S Niedzielska, J

Citation: A. Posyniak et al., Validation study for the determination of tetracycline residues in animal tissues, J AOAC INT, 82(4), 1999, pp. 862-865

Authors: Posyniak, A Zmudzki, J Semeniuk, S Niedzielska, J Ellis, R

Citation: A. Posyniak et al., Determination of fluoroquinolone residues in animal tissues by liquid chromatography, BIOMED CHRO, 13(4), 1999, pp. 279-285