@article{article, title  = {{Choosing the target difference ('effect size') for a randomised controlled trial - DELTA<sup>2</sup> guidance protocol}},

 url = {{http://eprints.whiterose.ac.uk/118242/ }},

 year = {{2017}},

 month = {{6}},

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

 doi = {{10.1186/s13063-017-1969-5}},

 volume = {{18}},

 journal = {{Trials}},

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