kumar, Akhil, Vibhuti Thukral, and Rajnish Kalra. 2026. “Clinicopathological Study of CK19 Expression in Head and Neck Squamous Cell Carcinoma and Its Association With Tumor Grading: A Cross-Sectional Study”. Student’s Journal of Health Research Africa 7 (3): 11. https://doi.org/10.51168/9fyrr742.