Experimental model of Border Disease Virus infection in lambs: comparative pathogenicity of pestiviruses isolated in France and Tunisia Fatma Thabti, Laure Fronzaroli, Elyess Dlissi, Jean-Michel Guibert, Salah Hammami, Michel Pepin and Pierre Russo Vet. Res., 33 1 (2002) 35-45 DOI: 10.1051/vetres:2001004