Dr Archana Bundela; Dr. Kumari Priyanka,; Dr. Shalini Singh; Dr Rajesh Kumar Rai. Immunohistochemical Evaluation of Matrix Metalloproteinase-9 Expression in Oral Epithelial Dysplasia and Oral Squamous Cell Carcinoma: A Clinicopathological Study . SJHR-Africa 2026, 7, 9.