Retracted: Effects of RNA interference-mediated silencing of toll-like receptor 4 gene on proliferation and apoptosis of human breast cancer MCF-7 and MDA-MB-231 cells: An in vitro study
1. Department of Respiratory and Critical Care Medicine, The Second Hospital of Shanxi Medical University, Taiyuan, P. R. China;2. Shanxi Medical University, Taiyuan, P. R. China