“Rapidly Progressive Multisystem Autoimmune Disease in an Adolescent Male: A Fatal Case of Overlapping ANCA-Associated Vasculitis and Systemic Lupus Erythematosus Complicated by Acute Kidney Injury and Multiorgan Failure”, Bangladesh J Med Sci, vol. 25, no. 2, pp. 648–654, Apr. 2026, doi: 10.3329/bjms.v25i2.88759.