Spine
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Evaluation of the psychometric properties of a questionnaire. ⋯ 4.
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Clinical Trial
Changes in the Sagittal Cranio-Cervical Posture Following a 12-Week Intervention Using a Simple Spinal Traction Device.
Non-controlled clinical trial. ⋯ 3.
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A retrospective review of Medicare claims data (2009-2014). ⋯ 3.