Interleukin-6 Levels and Interleukin-6 rs1800795 Variant in Pediatric Familial Mediterranean Fever: Associations with Clinical Manifestations, Inflammatory Markers, and MEFV Mutation Status - Seyda Dogantan; Yasemin Oyaci; Adem Keskin; Fatima Ceren Tuncel; Sacide Pehlivan (Diagnostics, 2026)