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老年人由于肺组织衰老退化,胸廓弹性回缩力的减退,纤毛粘液系统的功能低下等原因小气道功能均有不同程度的异常改变。本文对74例老年患者进行小气道功能测定的
Elderly due to aging of the lung degeneration, reduction of elastic contraction of the thoracic ciliary mucociliary system dysfunction and other causes of small airway abnormalities have varying degrees of abnormal changes. In this paper, 74 elderly patients with small airway function measurement