IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-13-4-55467 Original Research Paper Analysis Of Donor Deferrals Causes In Blood Donation Center- Tertiary Care Hospital Study P Sindhur Rani Duvvuri Dr. Dr. Shusmitha Mayilanadan Dr. April 2024 13 4 01 02