Anti-cyclic citrullinated peptide versus anti-Sa antibodies in diagnosis of rheumatoid arthritis in an outpatient clinic for connective tissue disease and spondyloarthritis

1. López-Longo, F.-J.
2. Rodríguez-Mahou, M.
3. Sánchez-Ramón, S.
4. Estecha, A.
5. Balsera, M.
6. Plaza, R.
7. Fernández-Cruz, E.
8. Carreño Pérez, L.