Disability caused by multiple sclerosis is associated with the number of extra cranial venous stenoses: possible improvement by venous angioplasty. Results of a prospective study. Denislic M, Milosevic Z, Zorc M, Ravnik ZID, Mendiz O Phlebology. 2012 Nov 30. PMID: 23202144. Abstract CommentRecommendBookmarkWatch