RT Journal Article SR Electronic T1 Computer-Based 3D MR Imaging Analysis in Amyotrophic Lateral Sclerosis: Common and Specific Factors Among Studies JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A0681 A1 A. Unrath A1 J. Kassubek YR 2007 UL http://www.ajnr.org/content/early/2007/10/02/ajnr.A0681.abstract AB