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吸入一氧化氮(NO)可松弛血管及气道平滑肌,减少胆碱能反射作用,因而被人们用来作为一种支气管扩张剂。虽然已经证明,吸入NO在中心气道有支气管扩张作用,但它在外周气道的作用还远不清楚。为测定
Inhaled nitric oxide (NO) can relax blood vessels and airway smooth muscle and reduce the role of cholinergic reflex, it has been used as a bronchodilator. Although inhaled NO has bronchodilator effects in the central airways, its role in the peripheral airways is far from clear. For the determination