Masiuk, D. M., O. I. Sosnitsky, V. S. Nedzvetsky, A. V. Kokarev, and S. G. Koliada. 2017. “Epidemiology, Etiology and Gene Analysis of Spike S Protein of Porcine Epidemic Diarrhea Virus Infection in Ukraine During 2016–2017”. Regulatory Mechanisms in Biosystems 8 (4), 602–610. https://doi.org/10.15421/021792.