Comment on study by Backman et al
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چکیده
BfArM acknowledges the submission of the manuscript by Backman et al. (2005) concerning the occurrence of breast cancer associated with Mirena use. The manuscript was scheduled for publication in October 2005 and meanwhile has been published (Backman T. et al. Use of the Levonorgestrel-releasing intrauterine system and breast cancer. Obstet and Gynecol 2005;106:813-7). Unfortunately, the study has several flaws as detailed below and, hence, cannot be considered reassuring.
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