“ESTIMATION OF SERUM COPPER AND ZINC LEVEL IN PATIENTS WITH ORAL SUB MUCOUS FIBROSIS AND ORAL SQUAMOUS CELL CARCINOMA”. International Journal of Health and Biological Sciences 2, no. 1 (March 30, 2019): 19–23. Accessed October 23, 2026. https://www.ijhbs.com/index.php/ijhbs/article/view/11.