RT Journal Article SR Electronic T1 Clinical and Brain MR Imaging Features Focusing on the Brain Stem and Cerebellum in Patients with Myoclonic Epilepsy with Ragged-Red Fibers due to Mitochondrial A8344G Mutation JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A0865 A1 S. Ito A1 W. Shirai A1 M. Asahina A1 T. Hattori YR 2007 UL http://www.ajnr.org/content/early/2007/11/08/ajnr.A0865.abstract AB