结论中重度COPD缓解期患者使用天晴速乐及舒利迭联合吸入治疗可提高疗效，改善预后。
Conclusion The combination of Tiotropium and Scrctidc in patients with severe COPD can improve the efficacy.
结论中重度COPD缓解期患者使用天晴速乐及舒利迭联合吸入治疗可提高疗效，改善预后。
Conclusion The combination of Tiotropium and Scrctidc in patients with severe COPD can improve the efficacy.
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