Comparable rates of lumbar disc degeneration at long-term following adolescent idiopathic scoliosis spinal fusion extended to L3 or L4: systematic review and meta-analysis. - Ruffilli A; Traversari M; Manzetti M; Viroli G; Artioli E; Zielli SO; Mazzotti A; Faldini C (Spine deformity, 2024)