Assertion: spondylolisthesis | /r/CreatedBy | injury
Facets:
value: in children
type: OTHER
value: usually
type: DEGREE
value: to the lower back
type: OTHER
Source sentences:
text: In children, spondylolisthesis is usually caused by a birth defect or an injury to the lower back.
text: In children, spondylolisthesis is usually caused by a birth defect or an injury to the lower back.