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Search strategy
| Database | Strategy | Articles found | Total of articles |
|---|---|---|---|
| PUBMED | ("pain scale" OR "pain rating scale" OR "pain measurement") AND (spiritual OR religion OR faith OR prayer) | 319 | 838 |
| WOS | ("pain scale*" OR "pain rating scale*" OR "pain measurement*") AND (spiritu* OR religi* OR faith OR prayer) | 273 | |
| SCOPUS | 246 |
