Shahid Ishaq, Sufian Ahmed, Saad Shafiq, Muhammad Samama Amjad, Kaniz Rabia, Javeria Aslam, Abdul Rahman 2022. Effects of Chronic Low Back Pain and Disability on Quadriceps Angle - A Cross Sectional Survey. Pakistan Journal of Medical & Health Sciences. 16, 04 (Apr. 2022), 25. DOI:https://doi.org/10.53350/pjmhs2216425.