Spine
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Comparative Study
Adjacent segment pathology requiring reoperation after anterior cervical arthrodesis: the influence of smoking, sex, and number of operated levels.
A retrospective study. ⋯ 3.
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A retrospective, radiographical study. ⋯ 4.
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Bibliometric review of the literature. ⋯ 3.
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A dissection-based study of 18 embalmed thoracic specimens. ⋯ N/A.
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Meta Analysis Comparative Study
Can we convert between outcome measures of disability for chronic low back pain?
Retrospective database analysis. ⋯ 2.