Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| Pilot Study | 7,070 studies | 18,781 studies |
| Pilot Project | 159 studies | 485 studies |
| Study | 7,415 studies | 356,224 studies |
| Clinical Research | 273 studies | 16,243 studies |
| Pilot | 7,430 studies | 27,289 studies |
| Co Pilot | 3 studies | 12 studies |
| Aviators | -- | 15 studies |
| study participants | 5,163 studies | 102,042 studies |
| Subject | 4,838 studies | 98,335 studies |
| participants | 4,932 studies | 176,943 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 |