Bharadwaj, Rahul, Vipin Sharma, Narinder Singh, Rishabh Bansal, and Virender Singh. 2021. “Does Vitamin D3 Supplementation Improve Medial Joint Space Narrowing in Patients With Osteoarthritis Knee”. International Journal of Research in Orthopaedics 7 (3):602-5. https://doi.org/10.18203/issn.2455-4510.IntJResOrthop20211616.