Mashal, Y. A., Samir, M. A., Morsy, A. A., Salama, H. H. (2022). 'Comparative Study between Implantation of an Empty Polyethylethylketone Cage versus Cage with Bone Graft in Anterior Cervical Discectomy and Fusion', The Egyptian Journal of Hospital Medicine, 88(1), pp. 2520-2526. doi: 10.21608/ejhm.2022.238381