PAPANIKOLAOU (I. ΠΑΠΑΝΙΚΟΛΑΟΥ) J., and KOUMBATI-ARTOPIOU (Μ. ΚΟΥΜΠΑΤΗ-ΑΡΤΟΠΟΙΟΥ) M. 2018. “Epidemiological Investigation of Avian Influenza in Regions of Northern Greece”. Journal of the Hellenic Veterinary Medical Society 53 (2):132-37. https://doi.org/10.12681/jhvms.15369.