Assertion: concussion | /r/IsA | mild traumatic brain injuries
Facets:
Source sentences:
text: Concussions are classified as mild traumatic brain injuries and are the most common type of TBIs.
text: A concussion is classified as a mild traumatic brain injury; however, just because it is classified as “mild” doesn’t mean that its effects are not serious.
text: Concussions are classified as mild traumatic brain injuries and are the most common type of TBIs.