Khattak, Ammara, Najma Baseer, Khurshid Ali, and Sanna Safi. “EXPRESSION OF PROGRAMMED DEATH LIGAND-1 (PD-L1) IN ORAL POTENTIALLY MALIGNANT DISORDERS (OPMDS): A COMPARATIVE IMMUNOHISTOCHEMICAL STUDY”. JOURNAL OF KHYBER COLLEGE OF DENTISTRY 16, no. 02 (June 30, 2026): 20–26. Accessed August 23, 2026. https://www.journalofkcd.com/kcd/article/view/967.