Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| efficacy | 165,292 studies | 165,292 studies |
| Effectiveness | 46,335 studies | 46,335 studies |
| effective | 38,731 studies | 38,731 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 |