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

Prevalence of latent tuberculosis determined using the Purified Protein Derivative (PPD) test in adult patients with rheumatoid arthritis receiving biotechnological therapy Claudia Mora; Alirio Rodrigo Bastidas Goyes; Jonnatan Patiño; Juan David Vera; Adriana Beltrán; Catalina Mutis; Oscar Ricardo Barón;

Noncaseating granuloma as the first manifestation of rheumatoid arthritis: A case report Mario Bautista Vargas; Diana Escobar Cárdenas; Carlos Jiménez; Alex Echeverri García;