Bias and causal associations in observational research. (Q52936961)
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scientific article published in January 2002
Language | Label | Description | Also known as |
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English | Bias and causal associations in observational research. |
scientific article published in January 2002 |
Statements
Bias and causal associations in observational research. (English)
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David A Grimes
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Kenneth F Schulz
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1 January 2002
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359
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248-252
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9302
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