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Dyfyniad Arddull ChicagoCook, J., et al. DELTA2 Guidance on Choosing the Target Difference and Undertaking and Reporting the Sample Size Calculation for a Randomised Controlled Trial. BioMed Central, 2018.
Dyfyniad MLACook, J., et al. DELTA2 Guidance on Choosing the Target Difference and Undertaking and Reporting the Sample Size Calculation for a Randomised Controlled Trial. BioMed Central, 2018.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.