doi: 10.1136/bmj.38413.576713.AE.
Epub 2005 Mar 10.
Adequacy and reporting of allocation concealment: review of recent trials published in four general medical journals
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- PMID: 15760970
- PMCID: PMC557225
- DOI: 10.1136/bmj.38413.576713.AE
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Adequacy and reporting of allocation concealment: review of recent trials published in four general medical journals
BMJ.
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Figures
Distribution of P values by adequacy of allocation concealment. As the P values were highly positively skewed, the data were transformed using the logit function. The vertical lines represent mean P values for trials using adequate or inadequate concealment
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