The course is variable, usually slowly progressive and less severe than the AD forms with earlier onset.

病程多不相同，常呈缓慢进行性且没有早发型亚历山大病严重。

youdao

The course is variable, usually slowly progressive and less severe than the AD forms with earlier onset.

病程多不相同，常呈缓慢进行性且没有早发型亚历山大病严重。

youdao