Sajid Khan, Zaheer Ahmed Nizamani, Muhammad Faisal Ayoob and Mansoor Ayoob 2023. Pathology of Experimental Velogenic Viscerotropic Newcastle Disease (VVND) in House Sparrows and Australian Parrots: Disease in House Sparrows and Parrots. Biological Sciences - PJSIR. 66, 3 (Oct. 2023), 239–248.