Defining Quality of Life Levels to Enhance Clinical Interpretation in Multiple Sclerosis: Application of a Novel Clustering Method. Michel P, Baumstarck K, Boyer L, Fernandez O, Flachenecker P, Pelletier J, Loundou A, Ghattas B, Auquier P, on behalf of the MusiQoL Study Group Med Care. 2014 Mar 15. PMID: 24638117. Abstract CommentRecommendBookmarkWatch