Maryam Rezazadeh, et al. “Association Between Levels of Serum and Urinary B Cell-Activating Factor and Systemic Lupus Erythematosus Disease Activity”. Archives of Rheumatology, vol. 38, no. 3, Sept. 2023, pp. 429-40, doi:10.46497/ArchRheumatol.2023.9549.