Ghaly, S. ., A. . Eladl, S. . . Abdeen, and A. Elshaieb. “Molecular and Pathological Characterization of Velogenic Newcastle Disease Virus Causing Late Embryonic Death in Ostrich (Struthio Camelus) in Egypt”. Journal of Advanced Veterinary Research, vol. 13, no. 9, Nov. 2023, pp. 1737-44, https://advetresearch.com/index.php/AVR/article/view/1512.