IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-7-31018 Original Research Paper Immunohistochemical Analysis Of P21 Expression In Gastric Adenocarcinoma. A Retrospective Analysis In A Tertiary Care Centre. Rekha Mariappan Dr. Dr. Sivaraman Jeevarathinam Dr. July 2020 9 7 01 02