Background and Purpose: The aim of our study is to evaluate the effect of botulinum toxin in patients of adductor spasmodic dysphonia (SD) with and without voice tremor.

• 摘要目的：以肉毒杆茵毒素治疗单纯内收痉挛性发音障碍及合并有声音颤抖的病人，评估其结果。