Conclusion The quality of dust mite allergen extracts made in China remains to be improved and standardized.

结论国内尘螨变应原的质量参差不齐，变应原的标准化问题亟待解决。

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Conclusion The quality of dust mite allergen extracts made in China remains to be improved and standardized.

结论国内尘螨变应原的质量参差不齐，变应原的标准化问题亟待解决。

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