Al-Ani, Rand Sh, Ammar M Mashlah, and Mohammad Iyad Al-Hafar. 2013. “Sonographic Assessment of Normal Cervical Lymph Nodes in a Sample of Syrian Population”. Journal of Baghdad College of Dentistry 25 (2): 94-100. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/235.