Spine
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Multicenter case-control study. ⋯ 2.
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Prospectively enrolled, retrospectively analyzed case series. ⋯ 4.
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Prospective, randomized, and controlled animal study. ⋯ N/A.
Multicenter case-control study. ⋯ 2.
Prospectively enrolled, retrospectively analyzed case series. ⋯ 4.
Prospective, randomized, and controlled animal study. ⋯ N/A.