Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| efficacy | 150,563 studies | 150,563 studies |
| Effectiveness | 41,791 studies | 41,791 studies |
| effective | 35,445 studies | 35,445 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 |