Foerster BR, Dwamena BA, Petrou M, Carlos RC, Callaghan BC, Churchill CL, Mohamed MA, Bartels C, Benatar M, Bonzano L, Ciccarelli O, Cosottini M, Ellis CM, Ehrenreich H, Filippini N, Ito M, Kalra S, Melhem ER, Pyra T, Roccatagliata L, Senda J, Sobue G, Turner MR, Feldman EL, Pomper MG. Diagnostic accuracy of diffusion tensor imaging in amyotrophic lateral sclerosis: a systematic review and individual patient data meta-analysis. Acad Radiol. 2013 Sep;20(9):1099-106. [PubMed Link]