Kotsyumbas, I. Y., M. I. Zhyla, N. E. Lisova, A. V. Halkin, O. V. Mychalyuk, and G. M. Mychalus. “Efficiency Biologically Active Tissue Preparation at Growing of Piglets”. Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology, Vol. 20, no. 2, Sept. 2019, pp. 67-74, doi:10.36359/scivp.2019-20-2.09.