Shamaila Mumtaz, Misbah Ali, Nauman Bari Khan, Benish Mehmood, Muhammad Azhar, and Farah Farhan, “ORAL ULCERS IN SYSTEMIC LUPUS ERYTHEMATOSUS – RELATIONSHIP WITH DISEASE DURATION AND SEVERITY”, J Khyber Coll Dent, vol. 10, no. 01, pp. 121–125, Mar. 2020.