(Q30477885)
Statements
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Increasing recruitment to randomised trials: a review of randomised controlled trials (English)
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1 reference
19 July 2006
3 references
19 September 2019
3 July 2021
3 references
19 September 2019
3 July 2021
34
1 reference
2 references
19 September 2019
3 July 2021
1 reference
1 reference
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Identifiers
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1 reference