Neuromyelitis optica does not impact periventricular venous density versus healthy controls: a 7.0 Tesla MRI clinical study. Schumacher S, Pache F, Bellmann-Strobl J, Behrens J, Dusek P, Harms L, Ruprecht K, Nytrova P, Chawla S, Niendorf T, et al. MAGMA. 2016 Apr 12. Epub 2016 Apr 12. PMID: 27072685. Abstract CommentRecommendBookmarkWatch