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This letter to the editor refers to the article available at doi:10.1007/s10549-012-2396-7 and a rebuttal letter to this letter to the editor is available at 10.1007/s10549-015-3272-z.
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Neilson, H.K. Meta-analyses of etiologic studies should account for the underlying biologic mechanisms. Breast Cancer Res Treat 149, 799–800 (2015). https://doi.org/10.1007/s10549-015-3271-0
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DOI: https://doi.org/10.1007/s10549-015-3271-0