Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| opioid use | 304 studies | 1,962 studies |
| narcotics use | 4 studies | 256 studies |
| Drug | 304 studies | 252,786 studies |
| medications | 179 studies | 37,795 studies |
| Agent | 128 studies | 136,508 studies |
| Medicine | 97 studies | 63,358 studies |
| Product | 15 studies | 26,453 studies |
| Pharmaceutical | 9 studies | 25,141 studies |
| Pharmaceutic Preparations | -- | 1 studies |
| Pharmacologic Substance | -- | 1 studies |
| Pharmacological Substance | -- | 6 studies |
| Addiction | 304 studies | 2,948 studies |
| Addictive Behavior | 4 studies | 112 studies |
| Dependence addictive | -- | 1 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 |