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Rivera-Navarro J, Benito-León J, Oreja-Guevara C, Pardo J, Dib WB, Orts E, Belló M; Caregiver Quality of Life in Multiple Sclerosis (CAREQOL-MS) Study Group.Rivera-Navarro J, et al.Mult Scler. 2009 Nov;15(11):1347-55. doi: 10.1177/1352458509345917. Epub 2009 Oct 1.Mult Scler. 2009.PMID: 19797453