methacholine challenge test是什么意思

methacholine challenge test 乙酰甲胆碱激发试验 双语对照 例句: A methacholine challenge test will indicate asthma, but it may require the use of a special facility. 醋甲胆碱激发试验可辅助诊断哮喘，但该试验须要使用一种特殊设备。