How safe could intrathecal transplantation of mesenchymal stem cells be considered in multiple sclerosis?-Reply. Karussis D, Vaknin-Debminsky A, Abramsky O, Kassis I, Petrou P, Ben Hur T Arch Neurol. 2011 Jul 11; 68(7):955-6. PMID: 22751998. Abstract CommentRecommendBookmarkWatch