Ahmed Mohamed Al Elgendy, Enas Ahmed Elgendy, Marwa Sabry, Mohamed Kamal Salama, and Tamer Aboshady. “Effect of Corticosteroid and Immune-Suppressive Drugs on Oral Manifestations in Hospitalized COVID-19 Patients”. Journal of the Pakistan Medical Association 73, no. 4 (May 25, 2023): S191-S194. Accessed August 4, 2026. https://mail.jpma.org.pk/index.php/public_html/article/view/9853.