IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-13-10-58790 Original Research Paper Trichoscopy As A Non-Invasive Tool For The Diagnosis Of Deficiencies Of Vitamin B12, Vitamin D3 And Serum Ferritin Sai Vyshnavi Inturi Dr. Dr. C. Laxmi Shalini Dr. October 2024 13 10 01 02