Talal Abed, H. and W. Al-Omari, A. (2022) “Evaluation of Retention Force of Polyetheretherketone (PEEK) and Cast Cobalt-Chromium Circumferential Clasps: A comparative study”, Al-Rafidain Dental Journal, 22(1), pp. 19–27. doi: 10.33899/rdenj.2021.129349.1082.