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Raquel Celis, Núria Planell, José L Fernández-Sueiro, Raimon Sanmartí, Julio Ramírez, Isidoro González-Álvaro, José L Pablos and Juan D Cañete*
* Corresponding author: Juan D Cañete jcanete@clinic.ub.es
Arthritis Research & Therapy 2012, 14:R93 doi:10.1186/ar3817