Muhammad Tariq Navid, Mian Muhammad Awais, Muhammad Irfan Anwar and Masood Akhtar, 2022. Seroprevalence of Avian Influenza Viruses in Asymptomatic Backyard Poultry Birds in District Multan, Pakistan. Pakistan J. Zool., 55: 299-305. 
DOI: https://dx.doi.org/10.17582/journal.pjz/20210803050841