Syed Majid Hussain Shah, et al. “DISTRIBUTION AND DETERMINANTS OF ORAL SQUAMOUS CELL CARCINOMA: A RETROSPETIVE OBSERVATIONAL STUDY AT ORAL & MAXILLOFACIAL DEPARTMENT OF AYUB TEACHING HOSPITAL ABBOTTABAD”. Pakistan Oral & Dental Journal, vol. 41, no. 3, Sept. 2021, pp. 159-64, https://podj.com.pk/index.php/podj/article/view/643.