Doustar , Yousef, Daryoush Mohajeri, Younes Anzabi, and Mehrdad Nazeri. 2011. “Experimental Study of Renal Tubular Cells Apoptosis Subsequent to Infectious by Influenza Virus (H9N2) in SPF Chickens”. International Journal of Poultry Science 10 (11): 891–894. https://doi.org/10.3923/ijps.2011.891.894.