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In vitro angular displacement (IVAD) and four-point bending assessments at 12 weeks after treatment delivery. Stiffness assessments were made over the combined L4–6 segment and were organized as: IVAD left bending (A), IVAD right bending (B), IVAD flexion (C), IVAD extension (D), 4-point bending flexion (E), and 4-point bending extension (F). Chondroitinase ABC is abbreviated as chABC. Indicated significance: p ≤ 0.001 (***), p < 0.01 (**), and p ≤ 0.05 (*).
