| From PubMed, until March 2021 | ||
| Search equations | ||
| #1 | (low back pain [Mesh] OR low back pain [tiab]) AND (yellow flag* OR psychological risk factor* OR biopsychosocial OR psychosocial) AND (screening OR evaluation OR diagnosis) AND (prognosis OR predictors) | 129 |
| #2 | (low back pain low [Mesh] or low back pain [tiab]) AND (yellow flag* OR psychological risk factor* OR biopsychosocial) | 251 |
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