Spine
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A basic study using a rodent model of sarcopenia. ⋯ 4.
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Retrospective study of prospectively collected data. ⋯ 4.
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Retrospective study. ⋯ 3.
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Observational Study
Improvement in Work Ability, Psychological Distress and Pain Sites in Relation to Low Back Pain Prognosis: A Longitudinal Observational Study in Primary Care.
Prospective observational study pooled from two clinical cohorts. ⋯ 2.
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Multicenter Study
Epidemiological State, Predictors of Early Mortality, and Predictive Models for Traumatic Spinal Cord Injury: A Multicenter Nationwide Cohort Study.
Multi-center, retrospective cohort study. ⋯ 3.