Effect of Ag2O substituted in bioactive glasses: a synergistic relationship between antibacterial zone and radiation attenuation properties di Tekin, H. O., Al-Buriahi, Mohammed, M. Issa, Shams A., Zakaly, Hesham M. H., Issa, Bashar, Kebaili, Imen, Badawi, Ali, Karimi, M. K. A., Matori, Khamirul Amin, Mohd Zaid, Mohd Hafiz