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Absence of evidence is not evidence of absence

D G Altman1, J M Bland

  • 1Medical Statistics Laboratory, Imperial Cancer Research Fund, London.

BMJ (Clinical Research Ed.)
|August 19, 1995
PubMed
Abstract

No abstract available in PubMed .

Keywords:
Clinical ResearchClinical TrialsData AnalysisMeasurementMethodological StudiesResearch MethodologyStatistical RegressionValidity

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