Amina Badr ELDIN, et al. “B-Cell Activating Factor (BAFF) in Systemic Lupus Erythematosus, Rheumatoid Arthritis, and Behçet’s Disease”. Archives of Rheumatology, vol. 27, no. 3, Sept. 2012, pp. 185-94, doi:10.5606/tjr.2012.031.