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Lumbosacral segmental motion in normal individuals: Have we been measuring instability properly
published erratum appears in Spine 1991;16:855
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Mobility of the lower lumbar spine after posterolateral fusion determined by roentgen stereophotogrammetric analysis
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External transpedicular fixation test of the lumbar spine correlates with the outcome of subsequent lumbar fusion
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1980 Volvo award in clinical sciences. Assessment of patients with low-back pain by biplanar radiographic measurement of intervertebral motion
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The effect of a plaster cast on lumbosacral joint motion. An in vivo assessment with precision motion analysis system
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