The sequence analysis of M2 gene for identification of amantadine resistance in avian influenza virus (H9N2 subtype), detected from broiler chickens with respiratory syndrome durin... oleh Majid Gholami-Ahangaran, Asal Basiratpour, Oveys Pourmahdi, Pedram Khorrami, Mehrdad Ostadpoor, Mohammad Javad Mirbagheri, Asiye Ahmadi-Dastgerdi