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口服食物激发试验即受试者在密切的医疗监督下，咽下之前禁食的过敏性食物，然后是两个多小时的过敏反应观察。
under close medical supervision and is then observed for an allergic reaction over two hours.
youdao
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口服食物激发试验即受试者在密切的医疗监督下，咽下之前禁食的过敏性食物，然后是两个多小时的过敏反应观察。
under close medical supervision and is then observed for an allergic reaction over two hours.
youdao