@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 2025/07/12}}}