Objective To observe the diagnostic value of bronchial provocation tests for asthmatic patients with atypical symptoms.

目的观察支气管激发试验对临床不典型哮喘的诊断价值。

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Objective To observe the diagnostic value of bronchial provocation tests for asthmatic patients with atypical symptoms.

目的观察支气管激发试验对临床不典型哮喘的诊断价值。

youdao