Ali, A. A. .; Mansour, S. .; Hefeny, S. M. .; Sultan, S. . Molecular Characterization of Avian Influenza Viruses (H5N2, H5N8, H5Nx and H9N2) Isolated from Chickens and Ducks in the South of Egypt 2020 – 2021. JAVR 2024, 14, 356-361.