“Treatment Effects of Two Types of Fixed Functional Appliances Herbst and Korn used in Correction of Skeletal Class II Malocclusion”, مجلة الجامعة, vol. 3, no. 6, Sep. 2020, Accessed: Jun. 06, 2026. [Online]. Available: https://journal.hama-univ.edu.sy/huj/article/view/388