Retraction Note: Pre-activation of mesenchymal stem cells with TNF-α, IL-1β and nitric oxide enhances its paracrine effects on radiation-induced intestinal injury

撤稿声明：用TNF-α、IL-1β和一氧化氮预激活间充质干细胞可增强其对辐射诱导的肠道损伤的旁分泌作用。