The results given in bmj.updates+ about black cohosh (BMJ 2006;333, 19 Aug, doi: 10.1136/bmj.333.7564.0-e) were wrong owing to an author error in the original paper (J Clin Oncol 2006;24: 2836-41). The correct mean reduction in hot flush scores was 15% (95% confidence interval 2% to 29%) for black cohosh and 31% (18% to 44%) for placebo.
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