ميهوب نور, and محمود محمود. “Evaluation of Applying Negative Pressure in Two Different Methods on the Retention in Upper Complete Dentures (In vivo)”. Tishreen University Journal -Medical Sciences Series 44, no. 4 (September 7, 2022): 365–377. Accessed November 24, 2024. https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/12175.