Virulence attenuation of a Mycobacterium avium subspecies paratuberculosis S-type strain prepared from intestinal mucosa after bacterial culture. Evaluation in an experimental ovine model

1. Fernández, M.
2. Delgado, L.
3. Sevilla, I.A.
4. Fuertes, M.
5. Castaño, P.
6. Royo, M.
7. Ferreras, M.C.
8. Benavides, J.
9. Pérez, V.