Spine
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Longitudinal cohort study of twins representative of the general population. ⋯ 2.
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Prospective cohort study with patients with chronic low back pain (CLBP) at primary care setting. ⋯ 2.
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Retrospective review of a multicenter database. ⋯ 4.
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Investigation of the elastic network in disc annulus and its function. ⋯ N/A.
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Experimental animal study of convective transport in the intervertebral disc. ⋯ 4.