Walter M. Pearce, Alec. S. Vern. “Cognitive Impairments in Old Age Patients With Cerebrovascular Insufficiency-Clinical Assessment and Outcomes of Corrective Differentiated Programs”. Open Journal of Physicians and Surgeons, vol. 6, no. 3, Sept. 2025, pp. 54-65, https://ojps.site/index.php/Journal/article/view/155.