Spine
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A prospective study using magnetic resonance imaging on a consecutive cohort of patients with cervical vertigo. ⋯ 2.
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Comparative Study
Demographic and health characteristics of rural- and urban-dwelling canadians with chronic back disorders: a population-based comparison.
This is a cross-sectional design based on analysis of a national survey. ⋯ 2.
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A retrospective comparative study. ⋯ 3.
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Cross sectional analysis of patient-reported spine-related disability and comorbidity. ⋯ 2.