TY - EJOU AU - Office, Oncology Research Editorial TI - Retraction: MicroRNA-520b Functions as a Tumor Suppressor in Colorectal Cancer by Inhibiting Defective in Cullin Neddylation 1 Domain Containing 1 (DCUN1D1) T2 - Oncology Research PY - 2026 VL - 34 IS - 4 SN - 1555-3906 AB - KW - DO - 10.32604/or.2026.081286