Vischur, V., V. Velychko, O. Hentosh, and B. Gutyj. “The Impact of Low-Quality Veterinary Medicines Processing and Feed Additives on the Environment”. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Veterinary Sciences, Vol. 19, no. 77, Mar. 2017, pp. 60-62, doi:10.15421/nvlvet7714.