Retraction Notice to: MicroRNA-199a-5p accelerates nucleus pulposus cell apoptosis and IVDD by inhibiting SIRT1-mediated deacetylation of p21

• Yiqiang Sun,
• Xia Wang,
• Guoyong Fu,
• Xiaopeng Geng

Affiliations

Yiqiang Sun

Xia Wang

Guoyong Fu

Xiaopeng Geng

Corresponding author