Evaluation of Quadriceps Strength among Middle Aged Patients with Patellofemoral Pain Syndrome: A Cross-Sectional Study: Research Article. Pak Euro. J. Med & LS [Internet]. 2025 Mar. 31 [cited 2026 Jun. 21];8(1):238x-238xvi. Available from: https://readersinsight.net/index.php/PJMLS/article/view/3424