Early diagnosis was still difficult. The disease might resutt in severe asthma and respiratory failure.

早期诊断仍困难，易延误病情，以致重症哮喘易致呼吸衰竭。

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Early diagnosis was still difficult. The disease might resutt in severe asthma and respiratory failure.

早期诊断仍困难，易延误病情，以致重症哮喘易致呼吸衰竭。

youdao