Thy, B., Hòa, L., Hạnh, T. and Thước, T. 2020. Analyzing genetic mutations of porcine reproductive and respiratory syndrome virus strains by serial passages in cell line from field wild strain. Science & Technology Development Journal: Natural Sciences. 4, 4 (Dec. 2020), 857-867. DOI:https://doi.org/https://doi.org/10.32508/stdjns.v4i4.914.