PT - JOURNAL ARTICLE AU - Paolo Ragonese TI - Mortality studies for multiple sclerosis: still a useful tool to analyse long-term outcome AID - 10.1136/jnnp-2017-315591 DP - 2017 Aug 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 617--617 VI - 88 IP - 8 4099 - http://jnnp.bmj.com/content/88/8/617.short 4100 - http://jnnp.bmj.com/content/88/8/617.full SO - J Neurol Neurosurg Psychiatry2017 Aug 01; 88