Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease, selectively involving in the upper and lower motor neurons.

　
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  • 肌萎縮側索硬化(Amyotrophic Lateral Sclerosis, ALS)是選擇性侵犯上、下運動(dòng)神經(jīng)元的慢性進(jìn)行性變性疾病。
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