Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| subjects | 3,720 studies | 94,296 studies |
| Study Participant | 119 studies | 4,523 studies |
| Double-blind | 3,720 studies | 38,777 studies |
| double-blinded | 155 studies | 4,274 studies |
| Double Masked Study | 5 studies | 61 studies |
| double mask | 3 studies | 7 studies |
| Double Masked Method | -- | 1 studies |
| Texas | 3,720 studies | 30,499 studies |
| Placebo | 3,720 studies | 67,089 studies |
| placebo-controlled | 2,856 studies | 27,595 studies |
| sham treatment | 17 studies | 508 studies |
| sham therapy | 2 studies | 168 studies |
| fake drug | -- | 2 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 |