Riles, T., Posner, M., Cohen, W., Pinto, R., Imparato, A., & Baumann, F. (1982). The totally occluded internal carotid artery. Preliminary observations using rapid sequential computerized tomographic scanning. Archives of Surgery (Chicago, Ill. : 1960), 117(9), 1185-8. Retrieved from http://archsurg.jamanetwork.com/article.aspx?volume=117&page=1185 (Original work published 1982)