%0 Journal Article %A Robert D Henderson %A Matthew S Devine %T Assessing the upper motor neurone: novel UMN biomarkers are needed for clinical trials %D 2022 %R 10.1136/jnnp-2021-327948 %J Journal of Neurology, Neurosurgery & Psychiatry %P 3-3 %V 93 %N 1 %U https://jnnp.bmj.com/content/jnnp/93/1/3.full.pdf