社区干预对稳定期嗜烟慢性阻塞性肺疾病老年患者戒烟后肺功能的影响
사구간예대은정기기연만성조새성폐질병노년환자계연후폐공능적영향
The effect of community intervention on pulmonary function of elderly patients with COPD after quitting smoking in stability period
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