Akram Qasim, Aisha, and Zeina Samir. “Effect of Different Natural Herbal Products on Microhardness of Eroded Enamel Surface: An in Vitro Study”. Al-Rafidain Dental Journal 23, no. 2 (December 6, 2025): 263–273. Accessed January 11, 2026. https://rden.uomosul.edu.iq/index.php/rden/article/view/34612.