PT - JOURNAL ARTICLE AU - David C. Poskanzer AU - Kurt Schapira AU - Henry Miller TI - Epidemiology of multiple sclerosis in the counties of Northumberland and Durham AID - 10.1136/jnnp.26.4.368 DP - 1963 Aug 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 368--376 VI - 26 IP - 4 4099 - http://jnnp.bmj.com/content/26/4/368.short 4100 - http://jnnp.bmj.com/content/26/4/368.full SO - J Neurol Neurosurg Psychiatry1963 Aug 01; 26