Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| opioid use | 355 studies | 1,894 studies |
| narcotics use | 26 studies | 252 studies |
| Chronic Pain | 287 studies | 4,118 studies |
| Long-lasting pain | -- | 14 studies |
| Pain | 355 studies | 60,684 studies |
| Painful | 9 studies | 4,357 studies |
| Dolor | 1 studies | 226 studies |
| AChE | -- | 543 studies |
| Chronic | 355 studies | 45,588 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 |