Storz, Maximilian. “Medical Nutrition Therapy in Multiple Sclerosis: The Pioneering Work of Roy Lever Swank MD, PhD (1909–2008)”. International Journal of Disease Reversal and Prevention 4, no. 2 (September 7, 2022): 2 pp. Accessed April 19, 2024. https://ijdrp.org/index.php/ijdrp/article/view/345.