@article{article, title = {{DELTA2 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial}}, url = {{http://eprints.whiterose.ac.uk/138617/ }}, year = {{2018}}, month = {{11}}, author = {{Cook JA and Julious SA and Sones W and Hampson LV and Hewitt C and Berlin JA and Ashby D and Emsley R and Fergusson DA and Walters SJ and Wilson ECF et al}}, doi = {{10.1186/s13063-018-2884-0}}, volume = {{19}}, journal = {{Trials}}, note = {{Accessed on 2025/05/28}}}