Maedi-visna virus infection of ovine mammary epithelial cells Rosa Bolea, Eva Monleón, Librado Carrasco, Antonia Vargas, Damián de Andrés, Beatriz Amorena, Juan José Badiola and Lluís Luján Vet. Res., 37 1 (2006) 133-144 Published online: 13 December 2005 DOI: 10.1051/vetres:2005048