The 2 "Es" of research: efficacy and effectiveness trials. (Q51953545)
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scientific article published in August 2002
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The 2 "Es" of research: efficacy and effectiveness trials. |
scientific article published in August 2002 |
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The 2 "Es" of research: efficacy and effectiveness trials. (English)
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1 August 2002
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47
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6
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552-556
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