Saifullah, D., S. Inayat, A. Panezai, M. Afridi, D. Habib Ullah, and S. Ghani. “Frequency of Oral Involvement in Patients With Pemphigus Vulgaris Presenting in a Tertiary Care Hospital Quetta”. Journal of Pakistan Association of Dermatologists, vol. 30, no. 3, Oct. 2020, pp. 474-8, http://jpad.com.pk/index.php/jpad/article/view/1567.