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J R Soc Med. 2013 Feb;106(2):68-71. doi: 10.1177/0141076813477570.

Doing clinical trials large enough to achieve adequate reductions in uncertainties about treatment effects.

Author information

  • Medical Statistics Group, ScHARR, University of Sheffield, Regent Court, Sheffield, UK. m.j.campbell@sheffield.ac.uk
PMID:
23401637
[PubMed - indexed for MEDLINE]
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