Objective To investigate the effect of botulinum toxin A(BTA) injected into vocal cords for the treatment of adductor spasmodic dysphonia (SD) by direct lanyngoscopy.
Objective To investigate the effect of botulinum toxin A(BTA) injected into vocal cords for the treatment of adductor spasmodic dysphonia (SD) by direct lanyngoscopy.
目的 探讨双侧声带注射 A型肉毒毒素治疗内收性痉挛性发声障碍疗效。