Masiuk, D.M., Sosnitsky, O.I., Nedzvetsky, V.S., Kokarev, A.V. and Koliada, S.G. 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 (Nov. 2017), 602–610. DOI:https://doi.org/10.15421/021792.