目的观察鼻咽清毒颗粒治疗变应性鼻炎（AR）的临床疗效，对其安全性、有效性做出评价。
Objective To observe the therapeutic effects of Biyan Qingdu Granule (BQG) on allergic rhinitis (AR) and its safety in clinical use.
目的观察鼻咽清毒颗粒治疗变应性鼻炎（AR）的临床疗效，对其安全性、有效性做出评价。
Objective To observe the therapeutic effects of Biyan Qingdu Granule (BQG) on allergic rhinitis (AR) and its safety in clinical use.
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