Pathological expression of CXCL12 at the blood-brain barrier correlates with severity of multiple sclerosis. McCandless EE, Piccio L, Woerner MB, Schmidt RE, Rubin JB, Cross AH, Klein RS Am J Pathol. 2008 Mar; 172(3):799-808. Epub 2008 Feb 14. PMID: 18276777. Abstract CommentRecommendBookmarkWatch