Use of methods for specifying the target difference in randomised controlled trial sample size calculations: Two surveys of trialists' practice

Jonathan A Cook, Jennifer M Hislop, Doug G Altman, Andrew H Briggs, Peter M Fayers, John D Norrie, Craig R Ramsay, Ian M Harvey, Luke D Vale, Jonathan A. Cook, Jennifer M. Hislop, Doug G. Altman (+12 others)
<span title="2014-03-06">2014</span> <i title="SAGE Publications"> <a target="_blank" rel="noopener" href="" style="color: black;">Clinical Trials</a> </i> &nbsp;
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="">doi:10.1177/1740774514521907</a> <a target="_blank" rel="external noopener" href="">pmid:24603006</a> <a target="_blank" rel="external noopener" href="">fatcat:a2hwykefufcb5nj4xrcjntn7fu</a> </span>
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