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  3. DELTA2 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial
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Research Methods & Reporting

DELTA2 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial

BMJ 2018; 363 doi: https://doi.org/10.1136/bmj.k3750 (Published 05 November 2018) Cite this as: BMJ 2018;363:k3750
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