Assertion: concussion's symptom | /r/HasProperty | prolonged
Facets:
value: essentially
type: DEGREE
value: in the first few weeks
type: TEMPORAL
Source sentences:
text: Concussions lead to prolonged or worsened post-concussion symptoms
text: Unlike simple concussions, this concussion rather displays persistent symptoms that cause some changes in normal brain function.
text: Symptoms of post-concussion syndrome are essentially the persistence of symptoms a person might have in the first few weeks after having a head injury :