Global N-acetylaspartate concentration in benign and non-benign multiple sclerosis patients of long disease duration. Achtnichts L, Gonen O, Rigotti DJ, Babb JS, Naegelin Y, Penner I-K, Bendfeldt K, Hirsch J, Amann M, Kappos L, et al. Eur J Radiol. 2013 Sep 4. PMID: 24041438. Abstract CommentRecommendBookmarkWatch