Determinants of High Cost in Multiple Sclerosis Patients: A Claims and Chart Review Study. Ke X, Navaratnam P, Sasane R, Eisenberg Lawrence DF, Friedman HS, Tulsi BB, Vollmer T Curr Med Res Opin. 2016 May 20:1-47. PMID: 27207562. Abstract CommentRecommendBookmarkWatch