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Original publication

DOI

10.1136/bmj.319.7223.1492

Type

Journal article

Journal

BMJ (Clinical research ed.)

Publication Date

12/1999

Volume

319

Pages

1492 - 1495

Addresses

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

Keywords

Prognosis, Data Collection, Proportional Hazards Models, Survival Analysis, Sample Size, Clinical Trials as Topic