Eman E. Abo Shama, Atef Y. Riad, Dina A. Salem, Amr L. Farrag, Diaa Eldin M. Sherif. Role of Metformin in Enhancing Response to Neoadjuvant Chemo-Radiotherapy in Patients With Locally Advanced Rectal Carcinoma. Annals of RSCB 2021, 25, 3677-3687.