Εταιρεία Ε. Κ. Public Health. Journal of the Hellenic Veterinary Medical Society, [S. l.], v. 20, n. 3, p. 160–170, 1969. DOI: 10.12681/jhvms.19993. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/jhvms/article/view/19993. Acesso em: 21 may. 2024.