Spine
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A register-based national study. ⋯ 3.
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Animal experimental study. ⋯ The NP voxel count proved to be a valid parameter to assess disc degeneration quantitatively in a needle puncture model. The mean NP T2-RT does not change significantly in needle-puncture-induced degenerated IVDs. IVDs can be segmented into different tissue components according to their innate T2-RT.
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Multicenter Study
Responsiveness and interpretability of the Portuguese version of the Quebec Back Pain Disability Scale in patients with chronic low back pain.
A prospective cohort study with a 6-week follow-up of patients with chronic low back pain undergoing physiotherapy. ⋯ N/A.
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A posterolateral rabbit spinal fusion model was used to evaluate the effects of recombinant human bone morphogenetic protein-2 (rhBMP-2) and teriparatide (PTH [1-34]) used individually and in combination on spinal fusion outcomes. ⋯ N/A.
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Prospective subcohort study. ⋯ 2.