Retraction Notice to: Silencing lncRNAs PVT1 UpregulatesmiR-145 and Confers Inhibitory Effectson Viability, Invasion, and Migration in EC - Si-Ning Shen; Ke Li; Ying Liu; Cheng-Liang Yang; Chun-Yu He; Hao-Rang Wang (Elsevier, 2021)