Kamal, Y., S. Abdel-Gaber, M. Amr, and S. Al-Elwany. “Cardio-Protective Effects of Statin Therapy in Elder Patients Undergoing Coronary Artery Bypass Grafting”. JOURNAL OF GERONTOLOGY AND GERIATRICS, Vol. 66, no. 1, Mar. 2018, pp. 21-29, https://www.jgerontology-geriatrics.com/article/view/98.