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Bronchial asthma ( asthma) is a significant feature of chronic inflammatory diseases , caused changeable and reversible airflow obstruction to peripheral airway involvement . Critical to the development of early small airway inflammation of asthma occurred early detection of small airway disease early diagnosis of asthma , to improve prognosis . This paper reviews the asthma inflammation of the small airways inflammatory cells and inflammatory factors , pathology , diagnosis , treatment, and evaluation of clinical help .
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