Assertion: vertebral column's curvature | /r/AtLocation | preteen
Facets:
value: often
type: TEMPORAL
Source sentences:
text: These curvatures often appear in preteens as the result of poor posture, abnormal growth, or indeterminate causes.
text: These curvatures often appear in preteens as the result of poor posture, abnormal growth, or indeterminate causes.
text: These curvatures often appear in preteens as the result of poor posture, abnormal growth, or indeterminate causes.