PJMD, A. “High-Risk Human Papillomaviruses in Oral Squamous Cell Carcinoma (OSCC): A Meta-Analysis”. Pakistan Journal of Medicine and Dentistry, vol. 9, no. 1, Jan. 2020, pp. 71-82, http://ojs.zu.edu.pk/ojs/index.php/pjmd/article/view/395.