Avdosieva, I. K., O. S. Kalinina, and O. I. Chaikovska. 2020. “BIRD FLU – COUNTER-STRATEGY”. Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology 21 (1), 11-22. https://doi.org/10.36359/scivp.2020-21-1.01.