Yousefi A, Abdoshah M, Motamed N, Al-Masri F. Comparative Serological Effectiveness of Newcastle Disease Vaccines and Vaccination Regimens on Commercial Broilers: A Multisite Study in Iran. JPSAD [Internet]. 2026 Apr. 19 [cited 2026 Sept. 7];4(2):1-8. Available from: https://journals.kmanpub.com/index.php/jpsad/article/view/6073