机译:一项随机对照试验以研究使用高频气道振荡作为训练来改善COPD的呼吸困难。恩雅·戴尼斯(Enya Daynes)尼尔·格林宁(Neil Greening)萨尔曼·西迪基(Salman Siddiqui)和萨莉·辛格(Sally Singh)。 ERJ Open Res 2019; 5:00064-2019。
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