BMJ. 1998 Nov 7;317(7168):1309-12.
Confidence intervals for the number needed to treat.
Altman DG.
Imperial Cancer Research Fund Medical Statistics Group, Centre for Statistics in Medicine, Institute of Health Sciences, Oxford OX3 7LF. d.altman@icrf.icnet.uk
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PMID: 9804726 [PubMed - indexed for MEDLINE]
PMCID: PMC1114210
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