Assertion: concussion's symptom | /r/HasProperty | permanent
Facets:
value: occasionally
type: DEGREE
Source sentences:
text: In post-concussion syndrome, symptoms do not resolve for weeks, months, or years after a concussion, and may occasionally be permanent.
text: In post-concussion syndrome, symptoms do not resolve for weeks, months, or years after a concussion, and may occasionally be permanent.
text: In approximately 15% of people, symptoms may persist for years or be permanent.