@article{article, title  = {{Sample size estimation for randomised controlled trials with repeated assessment of patient-reported outcomes : what correlation between baseline and follow-up outcomes should we assume?}},

 publisher = {{Springer Science and Business Media LLC}},

 url = {{http://eprints.whiterose.ac.uk/151503/ }},

 year = {{2019}},

 month = {{9}},

 author = {{Walters SJ and Jacques RM and dos Anjos Henriques-Cadby IB and Candlish J and Totton N and Xian MTS}},

 doi = {{10.1186/s13063-019-3671-2}},

 volume = {{20}},

 journal = {{Trials}},

 issue = {{1}},

 note = {{Accessed on 2024/09/20}}}