Spine
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A retrospective study. ⋯ 3.
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Observational Study
Adherence to Back Pain Clinical Practice Guidelines by Brazilian Physical Therapists: A Cross-Sectional Study.
This was a cross-sectional observational study. ⋯ 2.
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Cadaveric feasibility study. ⋯ 5.
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A genetic association study. ⋯ 4.