Fibromyalgia with elevated rheumatoid factor is associated with poor therapeutic response but not with progression to rheumatoid arthritis. Prospective cohort study Freddy Liñán Ponce; Juan Leiva Goicochea; David Sevilla Rodríguez; Elmer Hidalgo Bravo; Ginna Obregón Atanacio; Inés Loyola Macalapú; Paola Jáuregui Rojas; Jackeline Yampufe Canani;

How do gene mutation diversity and disease severity scoring affect physical capacity and quality of life in children/adolescents with Familial Mediterranean Fever? Elif Gur Kabul; Merve Bali; Bilge Basakci Calik; Zahide Ekici Tekin; Gulcin Otar Yener; Selcuk Yuksel;

Cognitive dysfunction, depression and serum level of brain-derived neurotrophic factor (BDNF) in Egyptian patients with rheumatoid arthritis Mona I. Nabih; Noha M. Khalil; Olfat Shaker; Mahmoud Ghanema; Sarah A. Hassan;