Al-Subari, Rassam, Nadia Merzouk, Nasser Kabak, Abdullah Guenbour, Sadeq Ali Al-Maweri, and Mohammed Nasser Alhajj. “Influence of Khat Extract (Catha Edulis) on Corrosion Resistance of Co-Cr Dental Alloys”. Brazilian Dental Science 24, no. 2 (March 31, 2021). Accessed August 21, 2025. https://bds.ict.unesp.br/index.php/cob/article/view/2248.