1、
Objective To explore the surgical treatment of congenital choanal atresia ( CCA ) .
目的探讨先天性后鼻孔 闭锁 的手术时机和手术方式.
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2、
Objective: To study a new method for the treatment of congenital membranous choanal atresia.
摘要目的: 探讨治疗先天性后鼻孔膜性闭锁的新方法.
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