Jassim, Esraa. “The Relation Among Ramal Width and Length With Some Cervical and Cranio-Facial Measurements in Different Skeletal Classes”. Journal of Baghdad College of Dentistry 26, no. 4 (1): 167-174. Accessed November 29, 2019. http://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/610.