Is recruitment more difficult with a placebo arm in randomised controlled trials? A quasirandomised, interview based study (Q37444348)
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scientific article published on April 1999
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Is recruitment more difficult with a placebo arm in randomised controlled trials? A quasirandomised, interview based study |
scientific article published on April 1999 |
Statements
Is recruitment more difficult with a placebo arm in randomised controlled trials? A quasirandomised, interview based study (English)
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A J Welton
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M R Vickers
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J A Cooper
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T W Meade
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T M Marteau
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Identifiers
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