A.手指運動不靈和力弱 B.延髓麻痹 C.四肢無力 D.大小便失禁 E.四肢肌張力增高
A.神經(jīng)元水腫 B.神經(jīng)元變細 C.神經(jīng)元選擇性壞死 D.神經(jīng)元固縮 E.神經(jīng)元數(shù)目減少