@article{article, title  = {{Practical help for specifying the target difference in sample size calculations for RCTs : the DELTA2 five-stage study, including a workshop}},

 publisher = {{National Institute for Health Research}},

 url = {{http://eprints.whiterose.ac.uk/152823/ }},

 year = {{2019}},

 month = {{10}},

 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 = {{10.3310/hta23600}},

 volume = {{23}},

 journal = {{Health Technology Assessment}},

 issue = {{60}},

 pages = {{1-88}},

 note = {{Accessed on 2024/12/21}}}