Conclusions: Change in bacterial load is unlikely to be an important mechanism for exacerbations.

结论：细菌负荷的改变可能并非COPD加重的主要机制。

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Conclusions: Change in bacterial load is unlikely to be an important mechanism for exacerbations.

结论：细菌负荷的改变可能并非COPD加重的主要机制。

youdao