DR. ANIL KUMAR. S. V, et al. “TRAUMATIC L4 –L5 SPONDYLOLISTHESIS WITH VERTICAL SHEAR FRACTURE OF PELVIS: A CASE REPORT”. International Journal of Pharma and Bio Sciences, vol. 6, no. 2, June 2015, pp. 15-20, https://ijpbs.net/index.php/journal/article/view/4197.