Rasheed, Saad Mubarak, . Ali Aziz Ali, and Hussein Al-Mubarek. 2015. “Results and Predictive Factors for Single Level L4-5, and L5-S1 Disc Herniation Surgery”. AL-Kindy College Medical Journal 11 (2): 55-63. https://jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/373.