IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-9-43605 Original Research Paper Immunoexpression of p16 and ki67 Markers in Oral Squamous Cell Carcinoma-A Study of 56 Cases Roushan Kumar Dr. Dr. Shuchismita Dr. Dr. Anju Singh Dr. September 2022 11 9 01 02