Retraction: 'Downregulation of miR-487a-3p suppresses the progression of non-small cell lung cancer via targeting Smad7' by Fan Y, Hao J, Cen X, Song K, Yang C, Xiao S, Cheng S, Drug Development Research. 2021. https://doi.org/10.1002/ddr.21876. The above article, published online on 15 September 2021 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the authors, the journal Editor-in-Chief, Steven Fletcher, and Wiley Periodicals, LLC. The retraction has been agreed upon due to mycoplasma contamination of the cell lines used in the study which may affect the reliability of the conclusions.
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