„Is there cross-species transmission to pigs of Avian Influenza virus within poultry farms with previous outbreak of avian influenza : No cross-species transmission to pigs of Avian Influenza virus “ (2021) African Journal of Biomedical Research, 24(3), стр. 333–338. Available at: https://www.ojshostng.com/index.php/ajbr/article/view/2213 (приступљено: 21 Мај 2026).