F Al-Taee, Abbass, and Ahmed S Khudhur. “Determination of Salivary PH in Patients With Recurrent Aphthous Ulceration (RAU)”. Al-Rafidain Dental Journal 10, no. 2 (September 1, 2010): 390–393. Accessed January 11, 2026. https://rden.uomosul.edu.iq/index.php/rden/article/view/34775.