Saad, M. A. ., M. A. . Kalad, A. A. . Abd El Wahab, A. A. . El Saied, M. M. . Youssef, M. H. . Kafafy, D. A. . Abdel-Moety, N. A. . Mohamed, and M. H. . Khodeir. “Potency of a Combined Peste Des Petits Ruminants and Sheep Pox Freeze Dried Vaccine”. Journal of Advanced Veterinary Research, vol. 14, no. 5, May 2024, pp. 780-4, https://advetresearch.com/index.php/AVR/article/view/1720.