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对19(男11,女8)名密切接触乙二胺的工人及14(男7,女7)名健康工人进行了以气道高反应性为主的呼吸系统检查。两组成员的年龄和吸烟情况基本相似。结果显示;两组成员呼吸道症状无显著差异;两组
Of the 19 (male 11 and female 8) workers who had close contact with ethylenediamine and 14 (male 7 and female 7) healthy workers, they had a respiratory system examination based on airway hyperresponsiveness. The age and smoking status of the two groups are similar. The results showed that there was no significant difference between the two groups in respiratory symptoms; two groups