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Original publication

DOI

10.1136/bmj.317.7168.1309

Type

Journal article

Journal

BMJ : British Medical Journal

Publication Date

11/1998

Volume

317

Pages

1309 - 1312

Addresses

Imperial Cancer Research Fund Medical Statistics Group, Centre for Statistics in Medicine, Institute of Health Sciences, Oxford OX3 7LF. d.altman@icrf.icnet.uk

Keywords

Confidence Intervals, Risk Assessment, Sample Size, Randomized Controlled Trials as Topic