Spine
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Clinical case series. ⋯ 4.
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A retrospective study. ⋯ 3.
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A cross-sectional comparative study. ⋯ 3.
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Randomized Controlled Trial
Patient Reported Outcomes after Surgery for Lumbar Disk Herniation, a Randomized Controlled Trial Comparing the Effects of Referral to Municipal Physical Rehabilitation Versus no Referral.
Randomized controlled trial. ⋯ 1.
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Retrospective. ⋯ 3.