Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| Head Injury | 10 studies | 2,168 studies |
| craniocerebral trauma | 10 studies | 2,156 studies |
| head traumas | 2 studies | 74 studies |
| Craniocerebral Injuries | -- | 6 studies |
| Injuries to the head | -- | 2 studies |
| Narcotics | 10 studies | 4,223 studies |
| -- | No studies found |
| * | Number of studies in the search results containing the term or synonym |
| ** | Number of studies in the entire database containing the term or synonym |