IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-4-47947 Original Research Paper A Study Of Bone Mineral Density In Patients With Systemic Sclerosis And Its Correlation With Serum 25 (OH) Vitamin D Dihingia Dr. Anupam Dutta Dr. Imdadul Hossain Dr. April 2023 12 4 01 02