Mitochondrial DNA Variation and Heteroplasmy in Monozygotic Twins Clinically Discordant for Multiple Sclerosis. Souren NYP, Gerdes LA, Kümpfel T, Lutsik P, Klopstock T, Hohlfeld R, Walter J Hum Mutat. 2016 Apr 27. PMID: 27119776. Abstract CommentRecommendBookmarkWatch