Yan-hai Chang

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OBJECTIVE To investigate the association of FasL-844T/C gene polymorphism with the magnetic resonance imaging (MRI) findings and FasL expression in the nucleus pulposus of degenerative lumbar intervertebral discs. METHODS Lumbar MRI data, venous blood and nucleus pulposus were collected from 105 patients with lumbar disc herniation. The genotypes of(More)
OBJECTIVE To explore the risk factors of lumbar intervertebral disc herniation in the 5 northern provinces of China. METHODS A total of 2010 patients with established diagnosis of lumbar disc herniation by CT and/or MRI and 2170 control subjects without a history of low back pain or sciatica were randomly selected from the community population and(More)
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