Melatonin-Pretreated Mesenchymal Stem Cells Improved Cognition in a Diabetic Murine Model oleh Shaimaa Nasr Amin, Shaimaa Nasr Amin, Nivin Sharawy, Nashwa El Tablawy, Dalia Azmy Elberry, Mira Farouk Youssef, Ebtehal Gamal Abdelhady, Laila Ahmed Rashed, Sherif Sabry Hassan, Sherif Sabry Hassan