Nagaratnam, N., and S. A. Nagaratnam. “Advanced Carotid Artery Disease Associated With Recurring Delirium Followed by Dementia”. JOURNAL OF GERONTOLOGY AND GERIATRICS, Vol. 65, no. 3, Sept. 2017, pp. 169-72, https://www.jgerontology-geriatrics.com/article/view/137.