Pérez M, Biescas E, Reina R, Glaria I, Marín B, Marquina A, Salazar E, Alvarez N, de Andrés D, Fantova E, Badiola JJ, Amorena B, Luján L. Small ruminant lentivirus-induced arthritis: Clinicopathologic findings in sheep infected by a highly replicative SRLV B2 genotype. Vet Pathol 52 1:132-139