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

 
  • 肌萎缩侧索硬化(Amyotrophic Lateral Sclerosis,ALS)是一种支配随意运动的上下运动神经元选择性受累的神经系统变性疾病。
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