Assertion: spondylolisthesis | /r/HasAspect | 5 main types
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Spondylolisthesis is divided into 5 main types, based on the cause of the vertebrate slippage.
text: It is often divided into 5 main types based on the cause of the vertebrate slippage, which includes: isthmic, degenerative, traumatic, dysplastic and pathologic.