Table 1 Electronic databases searched and number of results.
From: Effects of open-label placebos in clinical trials: a systematic review and meta-analysis
Database | Papers identified |
|---|---|
Embase (1947—February 2020) | 434 |
MEDLINE (1966—February 2020) | 279 |
PsycINFO (1967—February 2020) | 383 |
CENTRAL (no inception date—February 2020) | 932 |
Total | 2028 |
