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;

Red cell distribution width and mean platelet volume in rheumatoid arthritis patients: Its association with disease activity Essam T. Atwa; Hisham M. Omar; Asmaa Amin; Marwa Hammad;

Fatigue in Rheumatoid Arthritis Patients: Association With Sleep Quality, Mood Status, and Disease Activity Nevin Hammam; Rania M. Gamal; Ahmed Mohammed Rashed; Noha Abo Elfetoh; Eman Mosad; Eman M. Khedr;