Multiple sclerosis in the mount etna region: possible role of volcanogenic trace elements. Nicoletti A, Bruno E, Nania M, Cicero E, Messina S, Chisari C, Torrisi J, Maimone D, Marziolo R, Lo Fermo S, et al. PLoS One. 2013; 8(12):e74259. Epub 2013 Dec 11. PMID: 24348986. Abstract CommentRecommendBookmarkWatch