PT - JOURNAL ARTICLE AU - Steve Vucic TI - Split elbow sign: more evidence for the importance of cortical dysfunction in ALS AID - 10.1136/jnnp-2019-320534 DP - 2019 Jul 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 729--729 VI - 90 IP - 7 4099 - http://jnnp.bmj.com/content/90/7/729.short 4100 - http://jnnp.bmj.com/content/90/7/729.full SO - J Neurol Neurosurg Psychiatry2019 Jul 01; 90