Spine
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A prospective study on cadaver specimens. ⋯ 4.
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Retrospective cohort study. ⋯ 3.
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A cohort study. ⋯ 3.
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This is a retrospective cohort study. ⋯ 4.
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Twenty-six patients were treated surgically for sacral osteosarcomas in our center. The oncological and functional results are analyzed. ⋯ 4.