RAVINDRA, P. V., RATTA, B., CHATURVEDI, U., PALIA, S. K., SUBUDHI, P. K., & TIWARI, A. K. (2017). Adaptation of velogenic Newcastle disease virus in Vero cells: velogenicity of virus unaltered after adaptation. Journal of the Hellenic Veterinary Medical Society, 59(4), 341–345. https://doi.org/10.12681/jhvms.14968