Conclusion the air pollution, especially the outdoor air pollution could cause the deterioration of local non-specific immune function and pulmonary ventilation function.

结论空气污染尤其室外空气污染可导致儿童局部非特异免疫功能及肺通气功能降低。

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In patients with normal resting pulmonary ventilation, there was no significant difference of exercise cardiopulmonary function between the central and peripheral lung cancer groups.

在静息肺通气功能正常的情况下，周围型和中心型组间各指标均无显著性差异。

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Objective To investigate the effects of low tidal volume ventilation on pulmonary and cardiac function before and after mitral valve replacement.

目的以心输出量和肺换气功能为指标研究低潮气量通气对瓣膜置换病人心肺功能的影响。

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