Coexistence of Multiple Sclerosis and Ankylosing Spondylitis: Report of Two Cases. Lourbopoulos A, Ioannidis P, Boura E, Antoniadis D, Karacostas D, Grigoriadis N Eur Neurol. 2013 Jul 30; 70(3-4):149-154. Epub 2013 Jul 30. PMID: 23921512. Abstract CommentRecommendBookmarkWatch