Cost-effectiveness analysis of the early versus established phase clinical approach in a cohort of patients with rheumatoid arthritis in a fourth level health care institution in Colombia Carolina Sarmiento-Peña; Gerardo Quintana-López;

Utility of bronchoalveolar lavage in connective tissue diseases: A case report Isabel Rodríguez-Martín;

Rheumatoid arthritis: extra articular manifestations and comorbidities Carolina Díaz Cuña; Sandra Consani; Sofía Rostan; Lucía Fernández; Emilia Moreira; Raimon Sanmartí;