Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| observational study | 97,159 studies | 97,159 studies |
| observational | 97,159 studies | 97,159 studies |
| study | 84,561 studies | 376,311 studies |
| Clinical Research | 2,246 studies | 17,146 studies |
| observational | 97,590 studies | 106,849 studies |
| Observation | 4,030 studies | 12,577 studies |
| Inspection | 231 studies | 988 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 |