Perveen, S., I. Tanvir, K. Ehsan, and H. Asif. “Differentiation and TNM Staging of Oral Squamous Cell Carcinoma: Differentiation and TNM Staging of Oral Squamous”. Pakistan Journal of Health Sciences, vol. 1, no. 2, Dec. 2020, pp. 04-08, doi:10.54393/pjhs.v1i2.19.