Witzel M A, Munro I R
Cleft Palate J. 1977 Apr;14(2):176-80.
This paper reports velopharyngeal insufficiency after maxillary advancement in a 16-year-old boy. It underlines the need for systematic, quantitative investigation of the effects of this new operation on speech and velopharyngeal function.
本文报道了一名16岁男孩上颌前徙术后出现腭咽闭合不全的情况。强调了对这种新手术对语音和腭咽功能影响进行系统、定量研究的必要性。
