切,是语音矫治失败后患者的最佳选择.手术方法改良后有利于恢复自然的声调,减轻声门闭合不良造成的术后声嘶.%setto. It was a preferable option for the patients who failed in voice modification. The improved operation profitted to recover natural intonation and lighten the hoarseness due to glottic incompetence.
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