D. Saifullah, 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”, J Pak Assoc Dermatol, vol. 30, no. 3, pp. 474–478, Oct. 2020.