by Echeverria, M.G. (University of La Plata (Argentine). Faculty of Veterinary Sciences, Department of Virology), Nosetto, E.O, Etcheverrigaray, M.E, Galosi, C.M, Founrouge, R.D, Pereyra, N.B, Belak, K, Gimeno, E.J
Published in Revue scientifique et technique (International Office of Epizootics) (01.09.1992)