Methods The data of 201 suspicious asthmatic patients with normal pulmonary ventilation function examined by spirometry and bronchodilator reversibility testing were retrospectively analyzed.
方法回顾性分析201例疑似哮喘患者支气管舒张试验的数据。
Methods The data of 201 suspicious asthmatic patients with normal pulmonary ventilation function examined by spirometry and bronchodilator reversibility testing were retrospectively analyzed.
方法回顾性分析201例疑似哮喘患者支气管舒张试验的数据。
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