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Destructive uniaxial tensile testing of the spines at 12 weeks revealed similar biomechanical performance in the FormaGraft groups compared to the positive control (iliac crest autograft) with a strong correlation between peak load and stiffness (R2 = 0.845, P < 0.001). The negative control (decorticated empty) was significantly inferior to the test groups (P < 0.05)
