عبد العزيز فهيم, سلهب محمد, ديب العمر أنور, مسالمة محمد, and الجلاد تماره. “Study of Some Vitality Characteristics of Infectious Bronchitis Virus Strains Isolated from Chicken Flocks in Syria”. Tishreen University Journal -Biological Sciences Series 43, no. 3 (July 8, 2021). Accessed May 17, 2024. https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/10740.