IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-2-46326 Original Research Paper PMMC Flap As A Reconstructive Option In Oral Cancers : An Institutional Experience Of 137 Patients Within The Covid 19 Pandemic. Animesh Ghosh Dr. Dr. Saikat Samaddar Dr. February 2023 12 2 01 02