Comparison of Two Clinical Upper Motor Neuron Burden Rating Scales in ALS Using Quantitative Brain Imaging. Alzforum, 19 Feb 2021 Makary MM, Weerasekara A, Rodham H, Hightower BG, Tseng CJ, Chan J, Chew S, Paganoni S, Ratai EM, Zürcher NR, Hooker JM, Atassi…