van REETH K, De VLEESCHAUWER A, KYRIAKIS CS. Influenza in birds, pigs and humans: how strong is the species barrier?. J Hellenic Vet Med Soc [Internet]. 2017 Nov. 24 [cited 2024 Apr. 18];58(3):208-19. Available from: https://ejournals.epublishing.ekt.gr/index.php/jhvms/article/view/14986