In the 35 normal subjects with normal resonance, the cross-sectional area over the anterior end of the inferior turbinate was not increased in four subjects after spray application, and another one was assessed as hypernasal by a speech pathologist.

• 35名鼻腔共鸣正常的正常轻人在喷??%25麻黄素溶液后，4名受测者之下鼻甲前端截面积并未增加而另1名受测者鼻音被语言治疗师检查认为过重，这5名受测者被排除在本研究之外。