Soltan, Mohamed Ahmed, Rebecca P Wilkes, Mohamed Nagy Elsheery, Mahmoud Mohy Elhaig, Matthhew C Riley, and Melissa A Kennedy. “Circulation of Bovine Viral Diarrhea Virus – 1 (BVDV-1) in Dairy Cattle and Buffalo Farms in Ismailia Province, Egypt”. The Journal of Infection in Developing Countries 9, no. 12 (December 30, 2015): 1331-1337. Accessed December 1, 2020. https://jidc.org/index.php/journal/article/view/26719939.