Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| questionnaire | 15 studies | 75,816 studies |
| psychedelics | 15 studies | 45 studies |
| Hallucinogens | 6 studies | 14 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 |