Pathology of Experimental Velogenic Viscerotropic Newcastle Disease (VVND) in House Sparrows and Australian Parrots: Disease in House Sparrows and Parrots. Pakistan Journal of Scientific & Industrial Research 2023, 66 (3), 239-248. https://doi.org/10.52763/PJSIR.BIOL.SCI.66.3.2022.239.248.