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本文研究OSAS患者与正常人腭咽指数的显著差异，并据此设计腭咽成形术中软腭切除范围公式，治疗19例收效良好。
In this paper, OSAS patients and normal significant differences in palatal pharynx index, and the design of velopharyctomy soft palate resection range formula, the treatment of 19 cases of good results.