“Assessment of Instability in Degenerative Lumbar Spondylolisthesis using the Standing and Supine Lateral Radiographs”. (2021) Journal of Pakistan Orthopaedic Association, 33(04), pp. 176–179. Available at: https://www.jpoa.org.pk/index.php/upload/article/view/584 (Accessed: 18 April 2026).