Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| Pilot Study | 7,452 studies | 20,338 studies |
| Pilot Project | 165 studies | 522 studies |
| Study | 7,820 studies | 389,978 studies |
| Clinical Research | 281 studies | 17,707 studies |
| Pilot | 7,836 studies | 29,843 studies |
| Co Pilot | 3 studies | 14 studies |
| Aviators | -- | 16 studies |
| study participants | 5,541 studies | 110,901 studies |
| Subject | 5,182 studies | 106,587 studies |
| participants | 5,197 studies | 198,202 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 |