School of Economics and Management, Dalian University of Technology, Dalian 116024, P. R. China School of Business, Dalian University of Technology, Panjin 124221, P. R. China ...

Background and objectives Quantitative and operator-independent biomarkers of disease progression are urgently needed in amyotrophic lateral sclerosis (ALS ... MRI changes correlated with leg muscle ...

I ended up having to get my leg amputated. First, they cut off a couple of toes. Then they cut off my foot. Then they said, 'We gotta go almost knee-high for another surgery,'" Ball wrote.