Ravi Narayan Sinha, Ajit Kumar Varma, Manoj Kumar Singh, Shailendra Kumar. A Comparative Study To Evaluate The Effectiveness of Quadriceps Strengthening Exercises in Patients of Osteoarthritic Knee. Int. J. Heal. Clin. Res. [Internet]. 2021May10 [cited 2024Dec.26];4(9):206-8. Available from: https://ijhcr.com/index.php/ijhcr/article/view/1535