Bakathir, A. A., Moos, K. F., Ayoub, A. F., & Bagg, J. (2009). Factors Contributing to the Spread of Odontogenic Infections : A prospective pilot study. Sultan Qaboos University Medical Journal, 9(3), 296–304. Retrieved from https://journals.squ.edu.om/index.php/squmj/article/view/1443