Method: Three patients with congenital membranous choanal atresia were treated with plasma surgery system (PSS) under nasal endoscopy.
方法：鼻内镜下应用等离子刀治疗3例先天性后鼻孔膜性闭锁的患者。
Method: Three patients with congenital membranous choanal atresia were treated with plasma surgery system (PSS) under nasal endoscopy.
方法：鼻内镜下应用等离子刀治疗3例先天性后鼻孔膜性闭锁的患者。
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