This significant difference in symptom reduction for ASTELIN persisted at each time point during the 8-hour allergen exposure versus placebo.

氮卓斯汀喷雾剂在8小时变应原暴露期间任一时间点与安慰剂组比较持续减轻症状，有显著差异性。

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This significant difference in symptom reduction for ASTELIN persisted at each time point during the 8-hour allergen exposure versus placebo.

氮卓斯汀喷雾剂在8小时变应原暴露期间任一时间点与安慰剂组比较持续减轻症状，有显著差异性。

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