Bakathir, Abdulaziz A, Khursheed F Moos, Ashraf F Ayoub, and Jeremy Bagg. 2009. “Factors Contributing to the Spread of Odontogenic Infections : A Prospective Pilot Study”. Sultan Qaboos University Medical Journal 9 (3):296-304. https://journals.squ.edu.om/index.php/squmj/article/view/1443.