PT - JOURNAL ARTICLE AU - Simpson, J. A. TI - Multiple Sclerosis AID - 10.1136/jnnp.40.4.415 DP - 1977 Apr 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 415--415 VI - 40 IP - 4 4099 - http://jnnp.bmj.com/content/40/4/415.1.short 4100 - http://jnnp.bmj.com/content/40/4/415.1.full SO - J Neurol Neurosurg Psychiatry1977 Apr 01; 40