Fakhouri, S. F., M. M. Shimano, C. A. Araujo, H. L. Defino, and A. C. Shimano. 2012. “Photoelastic Analysis of the Vertebral Fixation System Using Different Screws”. Engineering, Technology & Applied Science Research 2 (2). Greece:190-95. https://doi.org/10.48084/etasr.144.