PT - JOURNAL ARTICLE AU - Michael Swash AU - David Burke AU - Martin R Turner AU - Julian Grosskreutz AU - P Nigel Leigh AU - Mamede deCarvalho AU - Matthew C Kiernan TI - Occasional essay: Upper motor neuron syndrome in amyotrophic lateral sclerosis AID - 10.1136/jnnp-2019-321938 DP - 2020 Mar 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 227--234 VI - 91 IP - 3 4099 - http://jnnp.bmj.com/content/91/3/227.short 4100 - http://jnnp.bmj.com/content/91/3/227.full SO - J Neurol Neurosurg Psychiatry2020 Mar 01; 91