Editors' Pick Concurrence of multiple sclerosis and amyotrophic lateral sclerosis in patients with hexanucleotide repeat expansions of C9ORF72. Ismail A, Cooper-Knock J, Highley RJ, Milano A, Kirby J, Goodall E, Lowe J, Scott I, Constantinescu CS, Walters SJ, et al. J Neurol Neurosurg Psychiatry. 2012 Oct 20. PMID: 23085936. Abstract CommentRecommendBookmarkWatch