Nikbakht Brujeni, Gholamreza, Taghi Taghi Poorbazargani, Susan Nadin-Davis, Mohammad Tolooie, and Neda Barjesteh. “Bovine Immunodeficiency Virus and Bovine Leukemia Virus and Their Mixed Infection in Iranian Holstein Cattle”. The Journal of Infection in Developing Countries 4, no. 09 (July 20, 2010): 576–579. Accessed May 17, 2024. https://www.jidc.org/index.php/journal/article/view/21045371.