Nano Propolis, Zinc Oxide Nanoparticles, and Their Composites: A Novel Green Synthesis with Synergistic Antioxidant and Anticancer Properties oleh Shaimaa A. Salama, Ramadan R. Atta, Ensaf M. Khalil, Yasser F. Abdelaleim, Samah Abd-Eltawab, Ahmed A. Farghali, Doaa Essam, Dalal Hussien M. Alkhalifah, Wael N. Hozzein, Rehab Mahmoud