STOIMENOV, G. M.; GOUJGOULOVA, G. V.; NIKOLOV, B.; PETROVA, R.; TENEVA, A.; DIMITROVA, I. Histopathological Findings in Dalmatian Pelicans (Pelecanus Crispus) Naturally Infected With Avian Influenza Subtype A H5N1 in Bulgaria. J Hellenic Vet Med Soc 2018, 68, 369-376.