The possibility of unmeasured confounding variables in observational studies: a forgotten fact? (Q45851544)
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scientific article published on 27 July 2011
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English | The possibility of unmeasured confounding variables in observational studies: a forgotten fact? |
scientific article published on 27 July 2011 |
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The possibility of unmeasured confounding variables in observational studies: a forgotten fact? (English)
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P Michael Ho
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27 July 2011
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97
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22
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1815-1816
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