Objective: To understand current status of children admitted hospital with trachea-bronchial foreign body aspiration and to explore effective intervention means.
目的：了解因气管和支气管异物住院治疗儿童的流行特征，探讨儿童气管和支气管异物的预防措施。
Objective: To understand current status of children admitted hospital with trachea-bronchial foreign body aspiration and to explore effective intervention means.
目的：了解因气管和支气管异物住院治疗儿童的流行特征，探讨儿童气管和支气管异物的预防措施。
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