Association between Helicobacter pylori infection and multiple sclerosis: A systematic review and meta-analysis. Jaruvongvanich V, Sanguankeo A, Jaruvongvanich S, Upala S Mult Scler Relat Disord. 2016 May; 7:92-7. Epub 2016 Mar 30. PMID: 27237767. Abstract CommentRecommendBookmarkWatch