Retraction: Radix Paeoniae Alba increases serum estrogen level and up-regulates estrogen receptor expression in uterus and vagina of immature/ovariectomized mice.

The above article, published online on October 29, 2018, in Wiley Online Library (https://doi.org/10.1002/ptr.6205), has been retracted by agreement between the journal Editor in Chief Prof. Angelo A. Izzo and John Wiley & Sons Ltd. The retraction has been agreed due to inappropriate image manipulation and the unmodified raw data no longer being available. Accordingly, the conclusions of this article are considered unreliable.