Spine
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Randomized Controlled Trial
The difference in superior adjacent segment pathology after lumbar posterolateral fusion by using 2 different pedicle screw insertion techniques in 9-year minimum follow-up.
A prospective study was performed. ⋯ 3.
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Randomized Controlled Trial Comparative Study
Radiation exposure to the surgeon and the patient during posterior lumbar spinal instrumentation: a prospective randomized comparison of navigated versus non-navigated freehand techniques.
A prospective randomized study. ⋯ 2.
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Randomized Controlled Trial
Ten-year follow-up of strengthening versus flexibility exercises with or without abdominal bracing in recurrent low back pain.
Randomized prevention trial. ⋯ 2.