(Q37352093)
Statements
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Considering usual medical care in clinical trial design (English)
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Deborah A Zarin
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Ezekiel J Emanuel
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Liza Dawson
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Lawrence M Friedman
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Bimal Chaudhari
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Steven N Goodman
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29 September 2009
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e1000111
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29 September 2009
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Identifiers
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