Spine
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Cohort study (level 3). ⋯ 3.
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Biochemical and immunohistochemical analyses by the human intervertebral disc (IVD) cells and tissues. ⋯ N/A.
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Expert opinion-modified Delphi study. ⋯ 5.
Cohort study (level 3). ⋯ 3.
Biochemical and immunohistochemical analyses by the human intervertebral disc (IVD) cells and tissues. ⋯ N/A.
Expert opinion-modified Delphi study. ⋯ 5.