Assertion: degenerative spondylolisthesis | /r/HasProperty | the most common type
Facets:
value: for vertebral slippage
type: PURPOSE
Source sentences:
text: Degenerative spondylolisthesis is the most common type, and it is caused by the normal aging process.
text: Lumbar spondylolisthesis is the most common location for vertebral slippage to occur.
text: Degenerative spondylolisthesis is the most common type to occur in the cervical spine.