Zajác, P., S. Zubrická, J. Čapla, J. Čurlej, and M. Drončovský. “The System of Monitoring of Inhibitory Drug Residues in Raw cows’ Milk in Slovakia”. Potravinarstvo Slovak Journal of Food Sciences, vol. 15, Oct. 2021, pp. 858-6, doi:10.5219/1687.