The Oslo Health Study: The impact of self-selection in a large, population-based survey
<p>Abstract</p> <p>Background</p> <p>Research on health equity which mainly utilises population-based surveys, may be hampered by serious selection bias due to a considerable number of invitees declining to participate. Sufficient information from all the non-responders...
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| 格式: | 图书 |
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BMC,
2004-05-01T00:00:00Z.
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| 索引号: |
A1234.567 |
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