Severe anemia in a patient with multiple sclerosis treated with natalizumab. Simone A M, Ferraro D, Vitetta F, Marasca R, Bonacorsi G, Pinelli G, Federzoni L, Nichelli P F, Sola P Neurology. 2014 Jun 18. PMID: 24944259. Abstract CommentRecommendBookmarkWatch