Spine
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Retrospective comparative cohort study. ⋯ 3.
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Prospective cohort study. ⋯ 2.
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High resolution imaging investigation of the failure of ovine lumbar intervertebral discs under complex loading. ⋯ 4.
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An in vivo biomechanical study. ⋯ 2.
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A prospective magnetic resonance imaging (MRI) study. ⋯ 4.