Tagar, M. R., S. R. Khuhawar, Y. A. Shah, M. A. Shaikh, A. A. Shaikh, A. B. Ghanghro, and M. A. Hafeez. “To Evaluate the Role of Serum Sialic Acid As Non-Invasive Bio-Marker of Leukoplakia and Oral Cancer”. Journal of Liaquat University of Medical & Health Sciences, vol. 21, no. 04, Jan. 2023, pp. 276-80, http://121.52.154.205/index.php/jlumhs/article/view/422.