The contactive cryotherapy using liquid nitrogen is a satisfying method to treat chronic hypertrophic rhinitis, simple operation and with less misery, smaller expense.
液氮接触冷冻疗法是治疗慢性肥厚性鼻炎的一种理想方法 ，操作简单 ，痛苦较少 ，费用较低。
The contactive cryotherapy using liquid nitrogen is a satisfying method to treat chronic hypertrophic rhinitis, simple operation and with less misery, smaller expense.
液氮接触冷冻疗法是治疗慢性肥厚性鼻炎的一种理想方法 ，操作简单 ，痛苦较少 ，费用较低。
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