Gouda, S. M.; Abdelaal, A. M.; Gomaa, M.; Elgioushy, M. M.; Refaai, W.; Mouncey, R. R.; Salem, S. E. Diagnostic Performance of Ultrasonography in Clinical Management of Dairy Cattle Identified With Left-Sided Ping Sounds. J. Adv. Vet. Anim. Res 2020, 7, 308-313.