อ้างอิง The Official Patient's Sourcebook on Cerebral Atrophy: A Revised and Updated Directory for the Internet Age NINDS: National Institute of Neurological Disorders and Stroke A longitudinal study of brain atrophy in relapsing multiple sclerosis. The Multiple Sclerosis Collaborative Research Group (MSCRG).โดย Simon JH1, Jacobs LD, Campion MK, Rudick RA, Cookfair DL, Herndon RM, Richert JR, Salazar AM, Fischer JS, Goodkin DE, Simonian N, Lajaunie M, Miller DE, Wende K, Martens-Davidson A, Kinkel RP, Munschauer FE 3rd, Brownscheidle CM. Michael S. Rafii, M.D., Ph.D.