Slimani S, Abbas A, Ben-Ammar A, Kebaili D, Ali E-H, Rahal F, Dahou-Makhloufi C, Brahimi N, Abtroun-Benmadi S, Ladjouze-Rezig A. Calcium Intake In Algerian Rheumatoid Arthritis Patients. A Multicenter Study. European League Against Rheumatism (EULAR) Berlin, Germany, 6 - 9 June. 2012.