IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-10-44032 Original Research Paper Association Of Adult Obesity And Serum B12 Deficiency - A Case-Control Study From India Jagdish Vishnoi Dr. Dr. J.C. Sharma Dr. Dr. Shashi Saxena Dr. October 2022 11 10 01 02