Almahrezi, Abdulaziz, Louise Lamb, Mark A Ware, Yoram Shir, and Ibrahim Al-Zakwani. 2008. “Intravenous Lidocaine for Refractory Chronic Orofacial Pain : Two Case Reports and a Literature Review”. Sultan Qaboos University Medical Journal 8 (2):205-9. https://journals.squ.edu.om/index.php/squmj/article/view/1358.