Vitamin D levels in patients with small and medium vessel vasculitis Fatma Nur Korkmaz; Gulsen Ozen; Ali Ugur Unal; Asli Odabasi; Meryem Can; Ebru As¿c¿oglu; Serhan Tuglular; Haner Direskeneli;

Raoul Dufy: Color and resilience in the fight against rheumatoid arthritis Fernando Canillas; Marta Canillas;

Mean corpuscular volume and red cell distribution width as predictors of methotrexate response in RA patients Benitez Cristian Alejandro; Gomez Ramiro Adrián; Peón Claudia; Alfaro María Agustina; Federico Andrea; Klimovsky Ezequiel; Gamba María Julieta;