Comparison of lipopolysaccharide and outer membrane protein-lipopolysaccharide extracts in an enzyme-linked immunosorbent assay for the diagnosis of Brucella ovis infection.

1. Riezu-Boj, J.I.
2. Moriyón, I.
3. Blasco, J.M.
4. Marín, C.M.
5. Diaz, R.