Sana Tariq, Novera Rauf, Ahmad Zia Ud Din, Shaheryar Aziz, Hina Hafeez Abbasi, Nida Iqbal, “MRI-Based Grading of Lumbar Disc Degeneration and Its Correlation with Functional Disability Scores: A Cross-Sectional Analytical Study”, IJPRT, vol. 16, no. 2, pp. 244–250, Jul. 2026.