Ahmad , Shakeel, Syed Hasan Danish, Farah Ahmad, Sahira Naz, Ayesha Tahir, and Syed Mohammad Shaheer Ali. “Frequency of Spondylolisthesis Among Patients of Chronic Low Back Pain in Karachi”. Journal of the Dow University of Health Sciences (JDUHS) 7, no. 3 (December 4, 2013): 101–106. Accessed May 2, 2024. https://jduhs.com/index.php/jduhs/article/view/1538.