Serological Survey of Newcastle Disease in Layer Chickens in Diyala Governorate. Tikrit Journal of Veterinary Science, [S. l.], v. 2, n. 2, p. 63–69, 2023. DOI: 10.25130/tjvs.1.2.9. Disponível em: https://tjvs.tu.edu.iq/index.php/tjvs/article/view/50. Acesso em: 22 oct. 2025.