许多研究证明,支气管反应性增强可能是过放性鼻炎的一个特点。大部分调查也支持变应原暴露可明显加重非特异性支气管反应。有关变应原暴露对于枯草热患者支气管反应性的 Many studies have shown that increased bronchial reactivity may be a hallmark of over-expressed rhinitis. Most surveys also support that allergen exposure significantly aggravates nonspecific bronchial responses. Allergen exposure to bronchial reactivity in hay fever patients