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近年的研究与临床观察,对哮喘的本质有认识上的进展,认为哮喘是一个气道的慢性炎症性疾病。这种炎症使易感者对各种激发因子具有气道
In recent years, research and clinical observation, the nature of asthma have recognized the progress that asthma is an airway chronic inflammatory disease. This inflammation makes susceptible to various stimuli factor airway