Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| ionis | 32 studies | 145 studies |
| Double | 32 studies | 81,139 studies |
| doubled | -- | 330 studies |
| doubling | -- | 650 studies |
| Dual | -- | 6,194 studies |
| Duplicate | -- | 471 studies |
| duplicating | -- | 9 studies |
| Replicate | -- | 496 studies |
| replicated | -- | 235 studies |
| replicates | -- | 119 studies |
| replicating | -- | 140 studies |
| twinning | -- | 8 studies |
| ISI | 32 studies | 1,211 studies |
| Placebo | 32 studies | 73,986 studies |
| placebo-controlled | 31 studies | 30,466 studies |
| fake drug | -- | 2 studies |
| sham therapy | -- | 175 studies |
| sham treatment | -- | 581 studies |
| plasma | 32 studies | 44,513 studies |
| Plas | 1 studies | 1,750 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 |