Božić, B., I. Vučićević, V. Polaček, N. Vasković, T. Petrović, M. Pajić, and S. Aleksić - Kovačević. “Comparative Pathological Findingsin Mute Swans (Cygnus Olor) Naturally Infectedwith Highly Pathogenic Avian Influenza virusesH5N1 and H5N8 in Serbia”. Veterinaria Italiana, vol. 55, no. 1, Apr. 2019, pp. 95-101, doi:10.12834/VetIt.1463.7919.2.