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But for allergic reaction, skin test must be done before using.
由于易出现过敏反应，使用前必须做皮内试验。
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The allergic test on the skin of the guinea pigs showed no allergic reaction.
豚鼠皮肤过敏试验结果未见过敏反应。
youdao
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The allergic test on the skin of the guinea pigs showed no allergic reaction.
豚鼠皮肤过敏试验结果未见过敏反应。
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