@article{article, title  = {{Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial - the development of the DELTA2 guidance.}},

 url = {{http://eprints.whiterose.ac.uk/137235/ }},

 year = {{2018}},

 month = {{10}},

 author = {{Sones W and Julious SA and Rothwell JC and Ramsay CR and Hampson LV and Emsley R and Walters SJ and Hewitt C and Bland M and Fergusson DA and Berlin JA et al}},

 doi = {{10.1186/s13063-018-2887-x}},

 volume = {{19}},

 journal = {{Trials}},

 issue = {{542}},

 note = {{Accessed on 2024/10/19}}}