Spine
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A multicenter retrospective study of patients who underwent unilateral and bilateral balloon kyphoplasty. ⋯ 3.
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A prospective case series analysis. ⋯ 3.
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Secondary analysis of the Back Pain Outcomes using Longitudinal Data (BOLD) cohort study. ⋯ 3.
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A retrospective case-control study. ⋯ 3.